Chapter 6 Vocab

Question 1

Organ

Answer 1

Structure consisting of two or more tissues that performs a specialized function

Question 2

Integumentary system

Answer 2

The organ system that includes the skin and its accessory structures

Question 3

Epidermis

Answer 3

Outer, epithelial layer of skin

Question 4

Dermis

Answer 4

The thick layer of skin beneath the epidermis

Question 5

Subcutaneous layer

Answer 5

Loose connective tissue layer beneath the skin; also called the hypodermis

Question 6

Stratum basale

Answer 6

deepest layer of the epidermis, where cells divide; also called the stratum germinativum

Question 7

Keratinization

Answer 7

Process by which cells form fibrils of keratin and harden

Question 8

Keratin

Answer 8

intracellular protein in epidermis, hair, and nails

Question 9

Stratum corneum

Answer 9

outer, horny layer of epidermis

Question 10

Melanocytes

Answer 10

melanin producing cell

Question 11

Melanin

Answer 11

dark pigment generally found in skin and hair

Question 12

pheomelanin

Answer 12

reddish-yellow pigment

Question 13

eumelanin

Answer 13

brownish-black pigment

Question 14

sebaceous gland

Answer 14

skin gland that secretes sebum

Question 15

Sebum

Answer 15

oily secretion of sebaceous glands

Question 16

Nail

Answer 16

protective plate at the distal end of finger or toe

Question 17

Hair follicle

Answer 17

tube like depression in the skin where a hair develops

Question 18

arrector pili muscle

Answer 18

smooth muscle in the skin associated with a hair follicle

Question 19

cytocrine secretion

Answer 19

transfer of melanin granules from melanocytes into epithelial cells

Question 20

sweat gland

Answer 20

exocrine gland in skin that secretes a mixture of water, salt, and wastes such as urea