Anatomic structures of the integumentary system

Question 1

skin

Answer 1

organ covering the body; made up of layers

Question 2

epidermis

Answer 2

outer layer of skin; protects the body from the external environment

Question 3

keratin

Answer 3

scleroprotein component of the horny, or cornified, layer of the epidermis. Also, the primary component of the hair and nails

Question 4

melanin

Answer 4

dark pigment produced by melanocytes; amount present determines skin color

Question 5

hair

Answer 5

compressed, keratinized cells that arise from hair follicles, the sacs that enclose the hair fibers

Question 6

nails

Answer 6

horny plates made from flattened epithelial cells; found on the dorsal surface of the ends of the fingers and toes

Question 7

sebaceous glands

Answer 7

secrete sebum (oil) into the hair follicles where the hair shafts pass through the dermis.

Question 8

sudoriferous (sweat) glands

Answer 8

tiny, coiled, tubular structures that emerge through pores on the skin’s surface and secrete sweat

Question 9

dermis

Answer 9

inner layer of skin; responsible for its flexibility and mechanical strength

Question 10

cutane/o, derm/o

Answer 10

skin

Question 11

hidr/o

Answer 11

sweat

Question 12

kerat/o

Answer 12

horny tissue, hard

Question 13

onych/o, ungu/o

Answer 13

nail

Question 14

seb/o

Answer 14

sebum. (oil)

Question 15

aut/o

Answer 15

self

Question 16

bi/o

Answer 16

life

Question 17

coni/o

Answer 17

dust

Question 18

crypt/o

Answer 18

hidden

Question 19

heter/o

Answer 19

other

Question 20

myc/o

Answer 20

fungus

Question 21

necr/o

Answer 21

death (cells, body)

Question 22

pachy/o

Answer 22

thick

Question 23

rhytid/o

Answer 23

wrinkles

Question 24

staphyl/o

Answer 24

grape like clusters

Question 25

strept/o

Answer 25

twisted chains

Question 26

xer/o

Answer 26

dry, dryness

Question 27

epi-

Answer 27

on, upon, over

Question 28

intra-

Answer 28

within

Question 29

para-

Answer 29

beside, beyond, around abnormal

Question 30

per-

Answer 30

through

Question 31

sub-

Answer 31

under, below

Question 32

trans-

Answer 32

through, across, beyond

Question 33

-a

Answer 33

noun suffix, no meaning,

Question 34

-coccus

Answer 34

berry-shaped (form of bacterium

Question 35

-ectomy

Answer 35

excision or surgical removal

Question 36

-ia

Answer 36

diseased or abnormal state, condition of

Question 37

-itis

Answer 37

inflammation

Question 38

-malacia

Answer 38

softening

Question 39

-opsy

Answer 39

view of, viewing

Question 40

-phagia

Answer 40

eating or swallowing

Question 41

-plasty

Answer 41

surgical repair

Question 42

-rrhea

Answer 42

flow, discharge

Question 43

-tome

Answer 43

instrument used to cut