Ch. 5

Question 1

Covers the external surface of the body

Answer 1

Cutaneous membrane

Question 2

Superficial, thinner layer of skin composed of keratinized stratified squamous epithelium

Answer 2

Epidermis

Question 3

Beneath the skin. Also called hypodermic

Answer 3

Subcutaneous

Question 4

Another name for the subcutaneous layer; consists of areolar and adipose tissues

Answer 4

Hypodermis

Question 5

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

Answer 5

Lamellated corpuscle

Question 6

The most numerous of the epidermal cells;produces keratin

Answer 6

Keratinocytes

Question 7

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

Answer 7

Melanin

Question 8

Layer of dense irregular connective tissue lying deep to the epidermis

Answer 8

Dermis

Question 9

Fingerlike projection of the papillary region of the dermis that may contain blood capillaries or corpuscle ps of touch

Answer 9

Dermal papillae

Question 10

Abnormal, nonpathological, partial, or total absence of pigment in skin, hair and eyes

Answer 10

Albinism

Question 11

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

Answer 11

Carotene

Question 12

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

Answer 12

Hemoglobin

Question 13

A threadlike structure produced by hair follicles that develops in the dermis

Answer 13

Hair

Question 14

Structure, composed of epithelium and surrounding the root of the hair, from which hair develops

Answer 14

Hair follicle

Question 15

An exocrine gland in the dermis of the skin, almost always associated with a hair follicle, that secretes sebum

Answer 15

Sebaceous gland

Question 16

An apocrine or eccrine exocrine gland in the dermis or subcutaneous layer that produces respiration

Answer 16

Sudoriferus gland

Question 17

A modified sudoriferus gland in the external auditory meatus that secretes ear wax

Answer 17

Ceruminous gland

Question 18

A hard plate, composed largely of keratin, that develops from the epidermis of the skin to form a protective covering on the dorsal surface of the distal phalanges of the fingers and toes

Answer 18

Nail