Integumentary System Flashcards
What are the layers of the skin?
The epidermis, dermis, and hypodermis.
What are the functions of the integumentary system?
Protection, preventing dehydrating, thermoregulation, excretion, sensation, producing vitamin D.
Where is an SQ injection given?
Subcutaneous injections are given in the hypodermis.
Where are the sweat glands located?
In the dermis layer of the skin.
What are the structures of the integumentary system?
Skin, glands, hair, claws, hooves and horns.
Where is an ID injection given?
Intradermal injections.
What does the dermis layer of the skin consist of?
Connective tissue, blood, lymphatic vessels, nerve endings, oil and sweat glands, and accessory organs.
What does a sebaceous gland do?
Produces an oily substance called sebum, which lubricates the skin and is responsible for waterproofing and maintaining skin elasticity.
Do dogs and cats sweat?
Only through their paw pads and noses.
What is the largest organ of the body?
The skin.
What is a melanocyte?
A cell found in the skin and eyes that produces and contains the pigment melanin.
What is the arrector pili muscle?
A muscle attached to the base of a hair follicle, it contracts and moves the hair in order to regulate body temperature.
What is another name for whiskers?
Vibrissae or tactile hairs.
What is the study of skin called?
Dermatology.
Wat is another name for the hypodermis layer?
The subcutaneous layer.
Do dew claws have a functional purpose?
No.
What is the quick?
The quick is the living part of the nail which supplies blood, cutting the quick can result in bleeding and pain for the animal.
When are dewclaws removed?
3-5 days of age, or around the time of spay/neuter.
What product is used most often when a nail is bleeding?
Styptic powder.
What kind of tissues comprise the skin?
Epithelial and connective tissue.
What is the epidermis covered in?
A layer of keratin.
What is the hypodermis composed of?
Loose connective tissue connecting the skin to underlying muscles, and adipose (fatty) tissue.
What are the 2 types of glands in the skin?
Sebaceous (oil) and Sudoriferous (sweat).
Are sudoriferous glands attached to hair follicles?
Only apocrine sudoriferous glands.
What are the 2 types of sudoriferous glands?
Eccrine and apocrine.
What does an eccrine sweat gland do?
Produce sweat containing water, electrolytes, and waste, which opens directly onto pores on the skins surface and helps to regulate body temperature.
What does an apocrine sweat gland do?
Produce an oily, opaque substance containing proteins, lipids, and steroids, which is secreted onto a hair follicle.
What is the section of the hair outside of the epidermis called?
The shaft.
What is the part of the hair that attaches to the follicle called?
The follicle.
