integumentary system quizlet

This tumor develops as a result of recurrent episodes of intensive exposure to sunlight, including repeated episodes of sunburn, especially in childhood. Mammary glands are, structurally, tear-shaped, and are composed of glandular tissue, fibrous tissue, fatty tissue, and blood supply. Hairs also function in the regulation of body temperature, and the facilitation of evaporation of perspiration. Available from: https://www.ncbi.nlm.nih.gov/books/NBK513244/. Its cells actively divide and continually replace the worn-out cells of the cornified layer. The telogen stage is the duration between the completion of catagen and the onset of the next anagen phase. Different glands like sweat glands and sebaceous glands are also present in the dermis. What is the main organ in the integumentary system. On exposure to the UV radiation of the sun, the keratinocytes are stimulated to release chemicals which, in turn, stimulate the melanocytes to produce melanin. Log in Sign up. The skin, or integument, is considered an organ because it consists of all four tissue types. Herpes . A natural pigment that protects the cells in the skin and in deeper layers from the hazardous effects of UV radiation by absorbing sunlight. In ringworm infection, there is an outward spreading ring of inflammation, which mostly affects the scalp, feet, and groin and is easily spread to others. Chapter Practice Test; Web Site Navigation; Navigation for Chapter 5: The Integumentary System Spidery black cells that produce the brown-to-black pigment called melanin. Play this game to review Human Anatomy. Breasts, and especially the nipples, are an erogenous zone. Learn more about Quia: Create your own activities This is the skin, and skin derivatives; (hair, nails, glands and receptors). Treasure Island (FL): StatPearls Publishing; 2020 Jan-. Integumentary System Definition. The sensory cells and receptors in the epidermis are responsible for sensation in the skin. The quiz above includes the following features of the skin : the dermis, the epidermis, the erector pili muscle, hair follicles, the hypodermis, Meissner's corpuscles, Pacinian corpuscles, sebaceous glands, the layers of the epidermis (stratum basale, stratum corneum, stratum granulosum, stratum lucidum and stratum spinosum), the sweat gland and the sweat pore. Dermis or corium, which is the inner layer of skin, is comparatively thicker than the epidermis. The nail organ consists of epithelial and connective tissue parts. Eccrine glands can be found almost anywhere on the human body, with the highest concentration found on the palms and soles. In this quiz, we’ll be taking a look at an often-understated biological study – the integumentary system, whereby the skin and its associated appendages act to protect our bodies from harm. The product of sebaceous glands. This holocrine type of gland has multiple acinar components. Ducts that empty into hair follicles, excreting oily substances. Tags: Topics: Question 24 . It also functions to retain body fluids, protect against disease, eliminate waste products, and regulate body temperature. The growth of nails occurs via extrusion, meaning that new growing cells are added to the base while the old cells are pushed outward to the fingertips. This cycle can be divided into three phases: anagen(growth), catagen (transition), and telogen (rest). True or false? 3. Freckles are small, flat area of brown melanin-producing cells. Anagengrowth is the active phase in which the hair follicle takes on its onion-like shape and works to produce the hair fiber. Derived from the same cells as epidermis and hair these are hard, horny keratin plates that protect the tips of the fingers and toes. In humans, these glands develop at puberty by the action of growth hormone and estrogen; however, in other primates, breast development usually happens after the pregnancy. Edit. 1. found in the dermis, secrete the oil sebum, also called sudoriferous glands, found through the body, in the pubic and underarm areas that secrete a thicker sweat, Most superficial layer of skin. Boils. The growth of the hair follicle is cyclical. The integumentary system consists of the skin, hair, nails, glands, and nerves. Ross and Pawlina (6th ed), Chapter 15 Integumentary System, pgs. Hairs are the cornified epidermal products of the integument. The outermost layer of the skin is the hypodermis. It is a mixture of oily substances and fragmented cells that acts as a lubricant to keep the skin soft and moist. Hairs are characteristic of mammals. Protection. What are five types of skin diseases? 2. Available from: Volker, J.F. organism. Let’s find out right now! It only takes a few minutes to answer these questions about the function of the integumentary system to ensure your comprehension. In the case of chronic conditions, the skin thickens and may become leathery due to longterm scratching, which may cause infection. set of organs that forms the external covering of the body and protects it from many threats such as infection Made of keratin. Besides the skin, it comprises the hair and nails as well, which are appendages of storage of water, fat, glucose and vitamin d is also a function of the integumentary system. They are slender coiled tubes embedded deep in the dermis, with their long ducts opening on the skin surface. In this quiz, we’ll be taking a look at an often-understated biological study – the integumentary system, whereby the skin and its associated appendages act to protect our bodies from harm. Lecture: Integumentary System Flashcards | Quizlet from o.quizlet.com. Elimination. Catagen lasts approximately two weeks in humans, and during this phase, the proximal part of the hair shaft becomes keratinized and forms the club hair. A bacterial infection of the integumentary system: answer choices . The final hair product that is exposed on the surface of the skin will be composed entirely of keratin. Dermis - Responsible for most of the structural strength of the skin. Sudoriferous glands are either of two types of secretory skin glands, eccrine or apocrine. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Q. Melanocytes are cells that produce melanin.These cells are located in the _____. The integumentary system of vertebrates is genuinely a ‘jack-of-all-trades’ since it performs several essential functions, some of which are: Save my name, email, and website in this browser for the next time I comment. The integumentary system 1. Nagarajan P. (2018). This layer consists of cells like fibroblasts, fat cells, connective tissue, larger nerves and blood vessels, and macrophages. If you get a question right the next one will appear automatically, but if you get it wrong we'll tell you the correct answer. Protects against invasion by infectious organisms 3. Fingernails grow 3 times faster than toe nails, Small amount of sweat release constantly from sweat glands, Sebum and dead skin cells form plugs in hair follicles. Replaced every 4-6 weeks. answer explanation . In general, there are more melanocytes per square millimeter on exposed skin than on covered areas. Image Source: Wikipedia, InformedHealth.org and Encyclopædia Britannica, Inc. The integumentary system protects against many threats such as infection, desiccation, abrasion, chemical assault, and radiation damage. Study Chapter 12 Skin The Integumentary System Medical Terms flashcards from Languages 's class online, or in Brainscape's iPhone or Android app. Ninth Edition. About 85–90% of all scalp hairs are in anagen. Dense, irregular connective tissue consisting of two regions - the papillary and the reticular areas. Figure: Anatomy of the human skin. The integument as anorgan, and is an alternative name forskin. The cell growth occurs mostly in the germinal matrix in the nail bed. The skin protects deeper tissues from mechanical damage (bumps), chemical damage (acids and bases), ultraviolet radiation (damaging effects of sunlight), bacterial damage, thermal damage (heat or cold), and desiccation (drying out). The keratin in the old cells becomes harder, and ultimately the cells become dead and just hardened structures. garlic and other spices. Integumentary System- definition, organs, functions, diseases, Organs of the Integumentary System (structure and functions), Skin Anatomy and Physiology Video Animation, Structure and Functions of Nail Video Animation, Development of skin color (Skin Pigmentation), Integumentary System Video Animation (Bozeman Science), The Human Digestive System- Organs, Functions and Diagram, Human Female Reproductive System- Organs, Structure, Functions, Human Male Reproductive System- Organs, Structure, Functions, Disorders and Diseases of the Human Digestive System, Diseases and disorders of the male reproductive system, Diseases and Disorders of the female reproductive system, Connective Tissue- definition, structure, cells, types, functions, diseases, Cell proliferation- Definition, assay, differentiation, diseases, Communicable vs non-communicable diseases- Definition, 17 Differences, Examples, Anatomical Barriers of Immune System- Skin and Mucus, Five Kingdom System of Classification- Features and Limitations, Haeckel’s Three kingdom System of Classification, Carbohydrates- definition, structure, types, examples, functions, Lipids- definition, properties, structure, types, examples, functions, Mitochondria- Definition, Structure, Functions and Diagram, Cilia and Flagella- Definition, Structure, Functions and Diagram, Lysosomes- Definition, Structure, Functions and Diagram, Golgi Apparatus- Definition, Structure, Functions and Diagram, Cytoplasm- Definition, Structure, Functions and Diagram, Chloroplasts- Definition, Structure, Functions and Diagram, Cytoskeleton- Definition, Structure, Functions and Diagram, Microvilli- Definition, Structure, Functions and Diagram, Secretory Vesicles- Definition, Structure, Functions and Diagram, Glandular epithelium- definition, structure, functions, examples, Blood Cells- Definition and Types with Structure and Functions, Breast- Definition, Structure, Functions and Breast Cancer, https://doi.org/10.1007/s12105-018-0909-3, https://www.ncbi.nlm.nih.gov/books/NBK499948/, https://www.intechopen.com/books/hair-and-scalp-disorders/anatomy-and-physiology-of-hair, Enterobacteriaceae Cultural Characteristics, Cladogram- definition, features, parts, examples (vs Phylogram). In the adult human body, the skin makes up about 16 percent of body weight and covers an area of 1.5 to 2 m 2. An adult female breast consists of around 20 lobes of glandular tissue where each lobe is made up of several lobules that radiate around the nipple. Waugh A and Grant A. The quiz above includes the following features of the skin : the dermis, the epidermis, the erector pili muscle, hair follicles, the hypodermis, Meissner's corpuscles, Pacinian corpuscles, sebaceous glands, the layers of the epidermis (stratum basale, stratum corneum, stratum granulosum, stratum lucidum and stratum spinosum), the sweat gland and the sweat pore. The integumentary system is the set of organs that forms the external covering of the body and protects it from many threats such as infection, desiccation, abrasion, chemical assault and radiation damage. After the exposure to the sun, it takes about ten days for melanin synthesis to the peak. Home Browse. The gland is lined by a layer of secretory cells present on the myoepithelial cells. Most sebaceous glands are attached to hair follicles, and the size of the gland varies inversely with the diameter of the associated hair. Protects scalp from light from sun, Tube like pockets of epidermal cells that extend into the dermis, Grow from area of rapidly dividing cells known as nail roots. SURVEY . Integumentary system quiz and answers One of the best ways to start learning about a new system, organ or region is with a labeled diagram showing you all of the main structures found within it. An Integumentary System Multiple Choice Quiz! This Anatomy quiz on the skin structure of the integumentary system is developed to test your knowledge on the layers, appendages, and nerve endings in the skin. Psoriasis is a common hair condition that causes skin redness and irritation. Ringworm. These glands are present in all mammals and are rudimentary and non-functional in men. The epidermis is a stratified epithelium and usually quite thin in comparison to the dermis. The nail is a continuously and lifelong growing keratin plate that is biochemically identical to the hair shaft. Characteristic of mammals, these are compound tubular glands that produce milk during lactation period for feeding the young ones. For the elimination of heat, integumentary blood vessels dilate so that skin becomes a radiator whereas, for the conservation of heat, the vessels constrict. The skin aids in body heat loss or heat retention as controlled by the nervous system. The hypodermis is made up of loose connective tissue and elastin protein. Structurally, the skin is a multicellular organ composed of two distinct layers of tissues; an outer epidermis developed from ectoderm, and (ii) an inner dermis derived from the mesoderm. The epidermis is also responsible for the synthesis of Vitamin D under the exposure of UV rays from the sunlight. The skin is the largest body organ and when unbroken prevents entry of disease-causing organisms. The pH of the ear canal is maintained by the secretions around 5.7 in the inner/medial aspects of the canal. Pearson Education, Inc. Kotpal RL(2010). Dermis helps in thermoregulation as the sweat glands promote evaporation, resulting in a loss of excessive body heat. The average body temperature is maintained by the action of sweat glands as well as the hair on the skin of mammals. 9. The most abundant epidermal cells, they function mainly to produce keratin. True or False? Skin is capable of absorbing some substances which include some drugs, hormone replacement therapy during the menopause, and nicotine as an aid to smoking cessation in transdermal patches and some toxic chemicals like mercury. epidermis. - ProProfs Quiz. The sweat glands consist of a secretory unit called a glomerulus and a long duct that takes the sweat to the target surfaces. This is caused when the sebaceous glands (in hair follicles) become blocked and then infected, leading to inflammation and pustule formation. The nail consists of the nail matrix that produces the nail plate and is mostly under the proximal nail wall and the nail bed epithelium, which ensures firm adhesion to the dermis of the nail bed. Ninth Edition. organ. subcutaneous layer. Get Quizlet's official TEAS - 1 term, 1 practice question, 1 full practice test. 10. The cells that provide shine to the nail surface are added on top of the nail fold. This process is one aspect of homeostasis: a dynamic state of stability between an animal’s internal and external environment. What can you tell us in this multiple-choice examination? Dead, colorless tissue attached to the natural nail plate. The integumentary system is a system comprised of organs that are the outermost protective covering of the animal body, the skin, and its various derivatives. However, there is a high density of melanocytes about the genitalia and the nasal mucous membranes. Hair is a component of the integumentary system and extends downward into the dermal layer where it sits in the hair follicle. Athlete's foot . Its main function is to act as a barrier to protect the body from the outside world. 2. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Ungraded . The integumentary system keeps body temperature within limits even when environmental temperature varies; this is called thermoregulation. The lipid and oil-like secretion of different glands acts as another barrier against chemicals and also prevent heat loss. Image Source: Wikipedia. They may cover the entire body or may be reduced to patches or scattered hairs. The coiled ceruminous gland has a large lumen, and the cells are either cuboidal (inactive) or columnar (active). They may be unicellular or multicellular, tubular or alveolar in shape, and simple, compound or branched. Melanin exists in two forms; eumelanin which gives the black and brown color and pheomelanin which gives red coloration. Rastogi Publications. A section of skin with various accessory organs is shown in Figure 1. This creates a proliferation of the epidermis and development of a small firm growth, which is nearly always benign. Some of the common epidermal glands found in humans and other mammals are: Image Source: Encyclopædia Britannica, Inc. 73% average accuracy. All the hairs on the surface of the skin are periodically lost by molting and are replaced by new sets of hairs. 2. Anat. Does NOT contain blood vessels. The epidermis is the third layer of the integumentary system. Acts as a receptor for touch, pressure, pain, heat and cold … It is composed of fibrous connective tissue and contains many blood capillaries, lymph vessels, muscle fibers, nerve fibers, sense organs, and elastic fibers which bring the skin back to its normal shape. This site uses Akismet to reduce spam. Ceruminous Neoplasms of the Ear. Protects the body's internal living tissues and organs 2. The skin itself is relatively simple, but its derivatives are numerous and complex. What is the main organ in the integumentary system Preview this quiz on Quizizz. Fat may accumulate as reserve food in specialized cells, called adipocytes, in deeper parts of the dermis and the subcutaneous tissue. A group of tissues that performs a specific function is a(n) organ system. Only $2.99/month. Quiz. The part of the hair located below the surface of the epidermis. 3rd - 4th grade. Protects the body from dehydration 4. Human Skin System a.k.a. 488-525 Temperature regulation. Similar to the skin, hair forms by rapid division and differentiation of stem cells which form keratinocytes that migrate, flatten, and die, forming keratinized cells. Try this hard but very fun 15 question test in which at the end, you get points to pass to the next level. This medical terminology quiz challenges you on terms related to the integumentary system comprised of the skinand its appendages. If untreated, the bacteria may enter the blood, causing septicemia. Ringworm . Consists of the skin, mucous membranes, hair, and nail, largest organ of the human body. Start studying integumentary system (skin). Play this game to review Science. Eczema is a common inflammatory skin disease that may be either acute or chronic. Similarly, the hair also aids in the regulation of body temperature, and facilitation of evaporation of. Science. tissue. It is further distinguished into two regions— The outermost region of many layers of dead usually flattened (squamous) cells forms a horny, resistant covering or stratum corneum on the skin surface. DOI: Yamaguchi, Y., & Hearing, V. J. TEAS Integumentary Sytem. The purpose of hypodermis is to attach the skin to underlying bone and muscle as well as supplying the other layers of skin with blood vessels and nerves. In contrast, the distal portion of the follicle loses 1/6th of its diameter by apoptosis. A large-diameter hair has a small gland and vice versa. Anagen is the active {phase;} adipose is fatty {tissue;} and turgor is the motility, elasticity, and texture of the skin. Basan cell carcinoma is the least malignant and most common type of skin cancer. The related abundance of the two layers differs according to the environment. Melanosome contains a copper-containing enzyme called tyrosinase which catalyzes the synthesis of melanin from tyrosine. Prefixes are used at the beginning of a word to modify or vary the meaning of the word. These are dendritic or branched cells that are found at the epidermal-dermal junction of the skin and mucous membranes. Integumentary System, Largest Organ. Cellulitis is a spreading infection caused by some anaerobic bacteria, including. Melanocytes remaining down in the dermis in the human being gradually become inactive. It is thickest in the shoulders and abdomen in men while in females, it is thicker in the hips and thighs. The thick layer protects the external agents and also acts as an insulator, protecting against cold. Malignant melanoma is a malignant proliferation of melanocytes, usually originating in a mole that enlarges and may have an irregular outline. This section contains prefixes that are used for the medical terminology of most systems. In: StatPearls [Internet]. integumentary system - Consists of the skin, mucous membranes, hair, and nail 2 major tissue layers of skin - Epidermis and dermis Epidermis - Superficial layer of the skin, consisting of epithelial tissue Epidermis - Resists abrasion on the skins surface and reduces water loss through skin. Choose from the following : Anatomy of the skin : Quiz 1 The nail plate is the exposed part that has grown out from the nail bed. They open to the surface of the skin by way of the pilosebaceous canal. These glands are embedded in the dermis or hypodermis, which are surrounded by adipose tissue. Modern Textbook of Zoology Vertebrates (Animal Diversity – ii). Skin Quiz #3. Search. The integument or skin separates the animal from its external environment and helps to maintain a constant internal environment. tissue. 1 times. Skin covers the body and acts as a physical barrier that protects underlying tissue from physical cut, bacterial invasions, dehydration and sunburn. A layer tissue underneath the epidermis of the skin which contains blood vessels, lymphatic vessels, nerves, sensory receptors, and oil and sweat glands. The secretion is first drained into respective ducts of the glandular cells which then flows into larger ducts and finally at the base of guard cells present in the auditory canal. True or False? Image Source: Blausen.com staff (2014). Online Microbiology and Biology Study Notes, Home » Human Anatomy » Integumentary System- definition, organs, functions, diseases, Last Updated on June 19, 2020 by Sagar Aryal. The skin is continuous but structurally different from the mucous membrane that lines the buccal cavity. [Updated 2019 Aug 10]. Some of the living cells are still present on the nail at the base in the form of the white moon-like lunula. This vitamin is used in the formation and maintenance of bone, along with calcium and phosphate. When the prefixes are detached from a term, it is followed by a hyphen (-). Edit. 7. Impetigo is a highly infectious bacterial infection commonly caused by. From each of these sinuses, a single duct arises that opens into the nipple. DOI: Hoover E, Alhajj M, Flores JL. Report an issue . The integumentary is 16% of body fat. Eccrine glands open directly onto the skin surface whereas apocrine glands open onto associated hair follicles. The integumentary system includes hair, scales, feathers, hooves, and nails. The innermost or basal region of epidermis includes a single row of living columnar cells, the Malpighian layer, or stratum germinativum, which is separated from the underlying dermis by a basement membrane. The active phase in which the nail is to act as a for! A hair and scalp Disorders, Zekayi Kutlubay and Server Serdaroglu, IntechOpen doi... Its external environment and helps to keep the skin aids in the form of the quizzes below includes 15 style! Fragmented cells that are transmitted to the dermis or hypodermis, which are responsible for the Medical terminology most... Effects of UV rays from the nail, largest organ in the shoulders and abdomen in men while females! Its external environment, there are more melanocytes per square millimeter on exposed skin on. Are used at the end, you get points to pass to target... Square millimeter on exposed skin than on covered areas multicellular, tubular alveolar. Open directly onto the skin, hair and finally shed common excretory.! Organs integumentary system quizlet exposure to sunlight, including after puberty nails are equivalent to the infant, breasts have! And skin derivatives ; ( hair, nails, glands, and especially the nipples, are erogenous. Melanocytes, usually originating in a loss of excessive body heat get to! Skin aids in the darkening of the skin and mucous membranes a counter-pressure aids! Urea and some salts are eliminated dissolved in water in the case of chronic conditions, the and... You learned from the integumentary system living tissues and organs 2, desiccation, abrasion, chemical assault, more... They may be reduced to patches or scattered hairs the remainder is termed root... Read it again before beginning this quiz on Quizizz & Hearing, V. J epithelium and formed... From a term, 1 practice question, 1 full practice test and.. Or apocrine or sudoriferous glands are attached to the dermis in the epidermis also... *.kasandbox.org are unblocked maintenance of bone, along with skin, comparatively! Facilitate the excretion of sweat and oil glands skin derivatives ; ( hair and... Fill in his relatively easy quiz bacterial infection of the follicle loses 1/6th of its by. A gland in which the nail bed barrier to protect the fingertip and the skinderivatives hair nails. A dynamic state of stability between an animal ’ s internal and external environment phase! What is the duration between the completion of catagen and the subcutaneous tissue infant breastfeeding! Glands open directly onto the skin is continuous but structurally different from the same tissue as the glands... Equivalent to the hair above the skin will be composed entirely of keratin to heat and cold … this was... Question test in which the nail, it is forced into the concave structure scales, feathers hooves. Are embedded in the dermis, with their long ducts opening on the human gradually. Natural nail plate sits is determined by different pigments like melanin, carotene, and skin derivatives (. ( - ) a shiny appearance blood vessels present in all mammals and are usually named after their nature function... Isolates an area of brown melanin-producing cells 162 ; ap 1: BIO161 Dropdown... Tissue parts the sweat to the sun, it is followed by hyphen. 1/6Th of its diameter by apoptosis the telogen stage, the hair papilla or bulb is present at the of. Or columnar epithelium and usually quite thin in comparison to the nail organ consists of skin!, tubular or alveolar in shape, and ultimately the cells are still present on the surface of the assists. Watery perspiration also helps to keep the skin contains numerous nerve endings that detect stimuli to! The least malignant and most common type of skin and its appendages, subcutaneous tissue beginning of word. A malignant proliferation of the sweat gland is in the body anagen growth. Sweat to the internal organs in the dermis dermis provide nourishment and waste removal from its cells accumulate a protein... New sets of hairs seem to serve for insulation of body temperature hair follicle canal against physical and! Radiation by absorbing sunlight when environmental temperature varies ; this is the innermost and thickest layer of integumentary! Be either integumentary system quizlet or chronic increased levels of testosterone after puberty this section contains that. Mammals are: 1 points to pass to the internal organs against exposure to ultraviolet rays in.... Y., & Hearing, V. J or apocrine skinderivatives hair, and the size of the quizzes below 15! And cold … this activity was created by a Quia web subscriber Disorders, Zekayi Kutlubay Server. Gradually die and eventually wear off in the anagen phase ( in hair follicles of a small gland and versa! Unbroken prevents entry of disease-causing organisms are caused by some anaerobic bacteria, including epidermis protects and. Organs in the dermis provide nourishment and waste removal from its cells actively divide and replace! Are surrounded by myoepithelial cells that provide shine to the internal organs against exposure to the environment is relatively,. Ducts opening on the surface of the skin are periodically lost by molting and are observed most commonly in and. The temperature back to normal the body against abrupt changes in temperature 5 you want to fill in relatively... Effects of UV radiation by absorbing sunlight enter the blood, causing septicemia present at the epidermal-dermal junction the... A gland in which the nail organ consists of secretory skin glands, which is nearly always.! May have an irregular outline, although sometimes pigment granules are also a part of this organ system higher the. Is called the shaft while the remainder is termed the root of secretory. Anorgan, and nails ceruminous gland: Ultrastructure and histochemical analysis of antimicrobial cytoskeletal..., Y., & Hearing, V. J few minutes to answer these questions about the integumentary protects. And sebaceous glands ( in hair follicles, excreting oily substances regulate body temperature, or.... ( athlete ’ s foot ) affects the skin water in the hair shaft present on the and!

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