Integumentary system exam review

sebaceous glands

produces sebum


primary pigment that determines skin color

Waterproof protein that replaces cytoplasm in dead skin cells


Vitamin D

produced when exposed to sunlight, is essential for absorbing calcium and phosphorous


water, sweat and urea

98.6 (F)

Normal, average body temperature


Layer of loose connective and adipose tissue that is deep to the dermis

Type of epithelial membrane that occurs in pairs, lines body cavities

epithelial tissue

Type of epithelial membrane composed of the dermis and epidermis

stratified squamous

arrector pilli function

small muscle attached to hairs, that erect the hair

papillary layer

outer layer of the dermis, directly beneath the epidermis

reticular layer

Deeper layer of the dermis that supplies the skin with oxygen and nutrients

Superficial, 20-50 rows of flattened cells, waterproof (contains melanocytes, keratin, and sweatpores)


Papillary layer and reticular layer, collagen and elastin fibers are found (contains receptors and blood vessels)


The categories of epithelial tissue membranes are:

mucous, cutaneous, and serous membranes

visceral peritoneum

the inner layer of the peritoneum that surrounds the organs of the abdominal cavity

cutaneous membrane


parietal pericardium

lines the pericardial cavity

mucous membrane

Membrane that secretes mucus that lubricates the surface of organs and keeps them moist. (lines the respiratory tract)

When the body temperature rises

eccrine glands become active

eccrine glands

glands that produce sweat; found over most of the body

Aprocrine Gland

A type of gland whose secretions contain parts of secretory cells

first-degree burn

Superficial burns through only the epidermis.

second degree burn

A burn marked by pain, blistering, and superficial destruction of dermis with edema and hyperemia of the tissues beneath the burn.

third degree burn

a burn involving all layers of the skin; characterized by the destruction of the epidermis and dermis, with damage or destruction of subcutaneous tissue (first threat to life is dehydration)


a modification of the epidermis

functions skin

protection, prevents penetration, perception, temperature regulation, identification, communication, wound repair, absorption and excretion, production of vitamin D

hair structure

shaft, follicle, and cuticle

The secretion of sebum is stimulated by

hormones, especially male sex hormones

basal cell carcinoma

the most common form of skin cancer and the least malignant type

mechanical damage

Pressure or tearing of tissue


drying out

chemical damage

Damage caused by any chemical that breaks down cells or the connections between cells.

Skin as you age

loses elasticity, thins and dries

Sweat is slightly acidic

helps control the amount bacteria on the skin

Blood vessels will ______ to help release excess heat


Open body cavities are lined with ___________ membranes

mucous membranes

Common name for decubitus ulcers

bed sores

Pacinian corpuscles

respond to deep pressure and vibration

Meissner's corpuscles

light touch

Nerve endings

Basic sensations such as touch, pain, heat, cold & pressure are registered by