Integument

Question 1

epidermis (type of epithelium

Answer 1

SSKE

Question 2

dermis

Answer 2

highly vascularized dense irregular connective tissue

Question 3

dermal papilla

Answer 3

finger-like attachments between the dermis and epidermis

Question 4

stratum basale

Answer 4

single layer of cuboidal cells, deepest layer of the epidermis

Question 5

what binds cells of the stratum basale

Answer 5

desmosomes

Question 6

basal cell carcinoma

Answer 6

overproliferation of the stratum basale layer

Question 7

stratum spinosum

Answer 7

thickest layer of epidermis, attached by desmosomes

Question 8

stratum granulosum

Answer 8

cells with coarse basophilic granules

Question 9

keratohylin granules

Answer 9

granules of the cells of the stratum granulosum

Question 10

filaggrin

Answer 10

binds tonofilaments into tonofibrils

Question 11

loracrin

Answer 11

forms dense layer deep to plasma membrane to thicken outer wall

Question 12

stratum corneum

Answer 12

dead cells of the epidermis, last layer

Question 13

Langerhan cells

Answer 13

antigen presenting cells of the epidermis, no desmosomes

Question 14

merkel cells

Answer 14

neuroendocrine cells of the epidermis that lie within the stratum basale

Question 15

melanocytes

Answer 15

specialized cells that produce pigment, neural crest derived in the stratum basale (on the basement membrane)

Question 16

eumelainin

Answer 16

makes black to blonde hair color

Question 17

phaeomelanin

Answer 17

makes red hair

Question 18

melanocyte stimulating hormone (MSH)

Answer 18

binds to melanocortin to produce pigments

Question 19

melanoma

Answer 19

neoplastic changes in melanocytes

Question 20

papillary dermis

Answer 20

contains blood vessels and sensory receptors (close to outside world)

Question 21

reticular dermis

Answer 21

contains glands, hair follicles, smooth muscle and other sensory structures

Question 22

eccrine sweat glands

Answer 22

secrete sweat by merocrine action, simple tubular and have secretory and duct portions

Question 23

secretory portions of eccrine glands

Answer 23

produce sweat and dermcidin

Question 24

ductal portions of eccrine glands

Answer 24

convey sweat and reabsorb sodium

Question 25

sebaceous glands

Answer 25

associated with hairs and produce sebum, an oily product

Question 26

fordyce spots

Answer 26

sebaceous glands of the lip

Question 27

acne

Answer 27

too much sebum produces from hormones that results in bacterial colonizations

Question 28

apocrine sweat glands

Answer 28

dilated lumen compared to eccrine glands (store more product), likely sources of pheromones

Question 29

free nerve endings

Answer 29

fibers that reach up to the stratum granulosum, no schwann cell covering (detect temp and pain)

Question 30

Merkel cells

Answer 30

detect light touch, slow adapting, the the stratum basale, have a clear cytoplasm

Question 31

pacinian corpusles

Answer 31

large sensory receptors in the dermis and hypodermis have schwann cells around central axon, rapidly adapting, detect vibrations

Question 32

meissner corpusles

Answer 32

just under epidermis in the dermal papille, very sensitive