Skin Other (E1)

Question 1

where is the thinnest skin in the body found?

Answer 1

eyelids at around .5 mm thick

Question 2

how thick is thick skin?

Answer 2

4-5 mm thick

Question 3

what layer are dermal papillae found in

Answer 3

the papillary dermis

Question 4

area of skin served by either a cranial or spinal nerve

Answer 4

dermasome

Question 5

dominant cell type in the epidermis

Answer 5

keratinocytes

Question 6

dendritic cells of the epidermis that trap antigens to be transferred to the immune system (usually spinosum)

Answer 6

langenhan cells

Question 7

what layer of the epidermis does mitosis occur is

Answer 7

stratum basale

Question 8

how many layers are in the stratum corneum

Answer 8

5-30

Question 9

what layer of the epidermis is the thickest?

Answer 9

stratum spinosum

Question 10

what layer of the epidermis has the most significant number of desmosomes?

Answer 10

stratum spinosum

Question 11

another name for stratum basale

Answer 11

stratum germinativum

Question 12

connecting point on epidermal end

Answer 12

epidermal ridges

Question 13

connecting point on dermal end

Answer 13

dermal papillae

Question 14

broad patterns of orientations of collagenous fibers

Answer 14

tension lines/ lines of cleavage

Question 15

hair follicle’s equivalent to a basement membrane

Answer 15

glassy membrane

Question 16

thinnest layer of the hair shaft

Answer 16

cuticle

Question 17

layer of hair shaft made of thin, flat, overlapping components

Answer 17

cuticle

Question 18

outermost structure of hair sheath

Answer 18

peripheral connective tissue (fibrous sheath)

Question 19

bottom of hair follicle before it is differentiated

Answer 19

hair bulb

Question 20

light melanin

Answer 20

pheomelanin

Question 21

dark melanin

Answer 21

eumelanin

Question 22

how much does hair grow in a day

Answer 22

1/3 mm

Question 23

how long is the active phase of hair

Answer 23

2-5 years

Question 24

what type of gland are sebaceous glands

Answer 24

holocrine gland

Question 25

what type of gland are eccrine sudoiferous glands?

Answer 25

merocrine gland

Question 26

what type of glands are mammary glands

Answer 26

modified apocrine glands

Question 27

modified apocrine glands that produce ear wax

Answer 27

ceruminous gland

Question 28

glands in eyelid

Answer 28

tarsal/ meiibomian gland and ciliary gland

Question 29

scaly type of skin cancer

Answer 29

squamous cell carcinoma

Question 30

used to estimate the extent of burns

Answer 30

rule of nines

Question 31

organ which gives rise to the hair

Answer 31

follicle

Question 32

hair with characteristics between vellus and terminal hair

Answer 32

intermediate hair

Question 33

having more than 2 breasts

Answer 33

polymastia

Question 34

excessive keratinization and retention of layer of the skin

Answer 34

hyperkeratosis

Question 35

downing coat of delicate hairs covering 5-6 month old fetuses

Answer 35

lanugo

Question 36

cheesy-looking substance produced by sebaceous glands to protect newborns from amniotic fluid

Answer 36

vernix caseosa

Question 37

skin aging caused by the subn

Answer 37

photoaging

Question 38

ways keratin of nails differs from that found in the epidermis

Answer 38

harder and does not flake off

Question 39

distal part of the nail

Answer 39

free edge

Question 40

visible attached part of the nail

Answer 40

nail plate

Question 41

epidermis that the nail rests on

Answer 41

nail bed

Question 42

actively growing part of the nail

Answer 42

nail matrix

Question 43

white crescent under the nail’s proximal region

Answer 43

lanule

Question 44

which cutaneous glands develop as outgrowths of hair follicles?

Answer 44

sebaceous and apocrine glands

Question 45

where do keratinocytes undergo apoptosis?

Answer 45

stratum granulosum

Question 46

dermal pipilla of hair is found in its

Answer 46

bulb