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Integumentary System Overview - Anatomy & Physiology (view source)
Revision as of 17:00, 7 November 2022
, 17:00, 7 November 2022no edit summary
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==Introduction ==
The '''integumentary system''' is an organ system that forms the protective covering of an animal and comprises the [[Skin - Anatomy & Physiology|skin]] (including [[Skin - Anatomy & Physiology#Glands|glands]] and their products), [[Hair - Anatomy & Physiology|haircoat]] or [[Feather - Anatomy & Physiology|feathers]], [[Integument of Exotic Species - Anatomy & Physiology|scales]], [[Skin - Anatomy & Physiology#Cutaneous appendages|nails]], [[Hoof - Anatomy & Physiology|hooves]] and [[Horn - Anatomy & Physiology|horns]].
The integumentary system has a variety of functions; in animals, it serves to waterproof, cushion and protect the deeper tissues, excrete waste, regulate [[Thermoregulation in Skin - Anatomy & Physiology|temperature]] and is the location of sensory receptors for pain, pressure and temperature. Generally mammalian skin is covered with hair and is termed hirsute skin. Where hair is absent, it is termed glabrous skin.
The '''integumentary system''' is an organ system that forms the protective covering of an animal and comprises the skin (including glands and their products), haircoat or feathers, scales, nails, hooves and horns.
The integumentary system has a variety of functions; in animals, it may serve to waterproof, cushion and protect the deeper tissues, excrete wastes, regulate temperature and is the location of sensory receptors for pain, pressure and temperature.
The integumentary system is often the largest organ system. It distinguishes, separates, protects and informs the animal with regard to its surroundings. Small-bodied invertebrates of aquatic or continually moist habitats also respire using the outer layer (integument). This gas exchange system, where gases simply diffuse into and out of the interstitial fluid, is called '''integumentary exchange'''. The skin is an organ that shows complex adaptations many of which are species specific - [[Integument of Exotic Species - Anatomy & Physiology|fish, birds, reptiles and amphibians]] have modifications of the integumen that are tailored to meet the survival needs of each species. Specific lifestyles such as those including hibernation require additional modifications to support the skin such as the phsiologically adapted [[Brown Adipose Tissue - Anatomy & Physiology|brown adipose tissue]] which generates body heat from specialised subcutaneous fat cells.
The skin can be reflective of the health status of an animal, being sensative to certain [[Endocrine & Nutritional Influences on the Skin|hormonal and nutritional]] conditions.
{{Learning
|flashcards = [[:Category:Integumentary System Anatomy & Physiology Flashcards|Integumentary system flashcards]]
|Vetstream = [https://www.vetstream.com/canis/Content/Factsheets/FactSheet208.asp Skin diseases]
}}
==Skin==
==References==
*{{citation|initiallast = Dyce|initialfirst = K.M|2last = Sack|2first = W.O|finallast = Wensing|finalfirst = C.J.G|year = 2002|title = Textbook of Veterinary Anatomy|ed =3rd|city = Philadelphia|pub = Saunders}}
*'''[[Anatomy & Physiology of the Skin]]
*Gilbert, S.F., 2000. '''Developmental Biology'''. 6th ed. Sinauer Associates, Inc, Sunderland MA.
*'''[[Endocrine & Nutritional Influences]]
*{{citation|initiallast = Sjaastad|initialfirst = O.V|2last = Hove|2first = K|finallast = Sand|finalfirst = O|year = 2004|title = Physiology of Domestic Animals|city = Oslo|pub = Scandinavian Veterinary Press}}
==Hair==
==Webinars==
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[[Category:Integumentary System - Anatomy & Physiology]]
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