GI Tract 1

Question 1

Lips - stratified sqaum, keratinizing ep.

Answer 1

external skin

Question 2

Lips - stratified squamous ep.
dense irregular CT
submucous glands
adventitia = skeletal muscle

Answer 2

intenal = “wet” mucosa

Question 3

lightly keratinzied strat squam. ep.

Answer 3

gums

Question 4

Gums - dense irregular CT (collagen I)

Answer 4

submucosa

Question 5

Gums - bone

Answer 5

adventitia

Question 6

produced by ameloblasts
non-vital, non-regenerative
most mineralized

Answer 6

enamel

Question 7

produced by odontoblasts

vital/regenerative

Answer 7

dentin

Question 8

loose CT; high GAG –> vascularized/innervated

Answer 8

pulp cavity

Question 9

bone like tissue

Answer 9

cementum

Question 10

collagen I fibers embed spongy bone/cementum
hold teeth in place
highly regenerative, vascularized, innervated

Answer 10

pulp cavity

Question 11

socket of spongy bone in mandible/maxilla

Answer 11

alveolus

Question 12

strat sqaum epi.

adventia - skeletal muscle

Answer 12

soft palate

Question 13

strat. squam kertin.

adventia - bone

Answer 13

hard palate

Question 14

prominent posterior MALT
strat squam kertin
L.P. dense irregular CT
submucosal serous glands

Answer 14

tongue

Question 15

each sensory receptor cell = long, slender dendritic microvilli –> protrude apically

Answer 15

taste buds