Module 1 Key Terms

Question 1

vascular, loose connective tissue that stores fat and provides energy, cushioning, and insulation

Answer 1

adipose tissue

Question 2

thin, cellular layer separating the epidermis from the dermis

Answer 2

basement membrane

Question 3

collection of fluid at the junction between the dermis and epidermis due to friction

Answer 3

blister

Question 4

localized buildup of stratum corneum cells due to presure or friction

Answer 4

callus

Question 5

fibrous protein in connective tissue

Answer 5

collagen

Question 6

phagocytic cell that assists with immune function

Answer 6

dendritic cell

Question 7

the ridges and valleys of the superior surface of the dermis that conforms with the contours of the epidermal stratum basale to help anchor the two layers together

Answer 7

dermal papillae

Question 8

connective tissue protein that is highly extensible

Answer 8

elastin

Question 9

connective tissue protein that is highly extensible

Answer 9

elastin

Question 10

outer, avascular layers of the skin

Answer 10

epidermis

Question 11

fibrous connective tissue that separates and surrounds structures and facilitates movement between adjacent structures

Answer 11

fascia

Question 12

dermal cell that produces collagen, elastin, granulation tissue, and growth factors

Answer 12

fibroblast

Question 13

local concentration of melanin in the skin

Answer 13

freckle

Question 14

wound that extends through the epidermis and dermis and into or through the subcutaneous tissue

Answer 14

full-thickness wound

Question 15

epidermal appendages located within the dermis that are made of soft keratin

Answer 15

hair

Question 16

chemical mediator released by mast cells that causes vasodilation, increases vessel wall permeability, and attracts other cells to the area

Answer 16

histamine

Question 17

a protein produced by keratinocytes. nails are made of hard, hair is made of soft

Answer 17

keratin

Question 18

epidermal cell that resurfaces a wound and produces keratin

Answer 18

keratinocyte

Question 19

epidermal cell that assist with infection control

Answer 19

langerhans’ cells

Question 20

cell that directs the pair process, secretes growth factors and enzymes, and destroys bacteria and debris

Answer 20

macrophages

Question 21

cell that helps initiate inflammation, secretes histamine, enzymes, and chemical mediators

Answer 21

mast cell

Question 22

pigment produced by melanocytes that helps protect the body from ultraviolet radiation and is a major determinant of skin color

Answer 22

melanin

Question 23

pigment-producing cells within the epidermis

Answer 23

melanocytes

Question 24

sensory recetor within the epidermis providing information on light touch

Answer 24

merkel cell

Question 25

epidermal appendage made of hard keratin and located at the dorsal tips of digits

Answer 25

nail

Question 26

damage to the skin resulting in a loss of skin integrity

Answer 26

open wound

Question 27

thin superficial dermal layer consisting of loosely arranged connective tissue

Answer 27

papillary dermis

Question 28

wound invovling the epidermis and part of the dermis

Answer 28

partial-thickiness wound

Question 29

process of engulfing and destroying bacteria and/or debris

Answer 29

phagocytizing

Question 30

protrusions of the epidermal stratum basale that extend into the papillary dermis to help anchor the two layers together

Answer 30

rete pegs

Question 31

thick, deeper dermal layer consisting of dense, irregularly arranged connective tissue

Answer 31

reticular dermis

Question 32

oil gland; epidermal appendage located within the dermis

Answer 32

sebaceous gland

Question 33

oily substance that lubricates the skin and hair

Answer 33

sebum

Question 34

deepest epithelial cell layer; contains continuously dividing cells

Answer 34

stratum basale

Question 35

outermost epithelial cell layer; consists of dead keratinocytes

Answer 35

stratum corneum

Question 36

epithelial cell layer located between the stratum spinosum and stratum lucidum

Answer 36

stratum granulosum

Question 37

epithelial cell layer between the stratum granulosum and stratum corneum

Answer 37

stratum lucidum

Question 38

epithelial cell layer located between the stratum basale and stratum granulosum

Answer 38

stratum spinosum

Question 39

composed of adipose tissue and fascia; located beneath the dermis; helps support the skin

Answer 39

subcutaneous tissue

Question 40

composed of adipose tissue and fascia; located beneath the dermis; helps support the skin

Answer 40

subcutaneous tissue

Question 41

sweat gland; epidermal appendage located within the dermis

Answer 41

sudoriferous glands

Question 42

wound involving only the epidermis

Answer 42

superficial wound

Question 43

cell that helps fight infection

Answer 43

white blood cell