Integumentary System Vocabulary Flashcards
Integumentary System
Skin and its accessory structures
Cutaneous Membranes
Covers the body as skin
Serous Membranes
Lines body cavities that don’t open to the outside
Mucous Membranes
Lines cavities and tubes openings to body’s outside
Synovial Membranes
Lines joint cavities
Anemic
Condition in which the blood doesn’t have enough healthy red blood cells
Cyanosis
Bluish discoloration of skin caused by heart or breathing problems
Jaundice
yellowish discoloration of skin (and whites of the eyes) caused by liver problems
Epidermis
Outermost tissue layer of the skin composed of stratified squamous epithelium
Dermis
Layer of skin between the epidermis and hypodermis, composed mainly of connective tissue and containing blood vessels, hair follicles, sweat glands, and other structures
Melanin
Pigment that determine the color of hair and skin
Melanocyte
Cell found in the stratum basale of the epidermis that produces the pigment melanin
Albinism
Genetic disorder that affects the skin, in which there is no melanin production
Vitiligo
Skin condition in which melanocytes in certain areas lose the ability to produce melanin, possibly due an autoimmune reaction that leads to loss of color in patches
Callus
The rate of cell division of epidermal cells increases when skin is rubbed or pressed regularly (stressed), resulting in thickened areas
Heel Fissures
Form a unique type of callus that is created by tension on the skin at the rim of the heel
Hair
Keratinous filament growing out of the epidermis
Hair Follicle
Cavity or sac from which hair originates
Hair Root
Part of hair that is below the epidermis anchored to the follicle
Hair Papilla
Mass of connective tissue,blood capillaries, and nerve ending as the base of the hair follicle
Keratin
Type of structural protein that give skin, hair , and nails its hard, water-resistant properties
Hirsutism
Excessive body hair on parts of body where hair is normally absent usually on chin, chest, face, or body