Ch. 5 Flashcards
Covers the external surface of the body
Cutaneous membrane
Superficial, thinner layer of skin composed of keratinized stratified squamous epithelium
Epidermis
Beneath the skin. Also called hypodermic
Subcutaneous
Another name for the subcutaneous layer; consists of areolar and adipose tissues
Hypodermis
Oval-shaped pressure receptor located in the dermis or subcutaneous tissue and consisting of concentric layers of connective tissue wrapped around the dendrites of neurons
Lamellated corpuscle
The most numerous of the epidermal cells;produces keratin
Keratinocytes
A dark black, brown, or yellow pigment found in some parts of the body such as the skin, hair, and pigmented layer of the retina
Melanin
Layer of dense irregular connective tissue lying deep to the epidermis
Dermis
Fingerlike projection of the papillary region of the dermis that may contain blood capillaries or corpuscle ps of touch
Dermal papillae
Abnormal, nonpathological, partial, or total absence of pigment in skin, hair and eyes
Albinism
Antioxidant precursor of vitamin A, which is needed for synthesis of photopigments; yellow-orange pigment present in the stratum cornermen of the epidermis. Accounts for the yellowish coloration of skin
Carotene
Substance in red blood cells consisting of the protein globin and the iron-containing red pigment heme that transports most of the oxygen and some carbon dioxide in blood
Hemoglobin
A threadlike structure produced by hair follicles that develops in the dermis
Hair
Structure, composed of epithelium and surrounding the root of the hair, from which hair develops
Hair follicle
An exocrine gland in the dermis of the skin, almost always associated with a hair follicle, that secretes sebum
Sebaceous gland
