Anatomy Lab Quiz #7

Question 1

lumen

Answer 1

cavity/hole inside something (ex. blood vessel)

Question 2

acini

Answer 2

small ball cluster, secretory cells surrounding ducts

Question 3

duct

Answer 3

tube that transports secretions
composed of simple cuboidal epithilia
doughnut pattern

Question 4

lobes

Answer 4

large, roundish division of an organ

Question 5

lobule

Answer 5

small division of cells in an organ

Question 6

great alimentary canal

Answer 6

stomach
small intestine
large intestine

*composed of 4 tissue layers “tunics”

Question 7

serosa

Answer 7

thin tunic
simple squamous epithelium
surrounds organ

Question 8

muscularis externa

Answer 8

lies next to Serosa
composed of 2 layers of smooth muscle
outer: longitudinally running muscle fibers around organ
inner: circulatory running muscle fiebers around organ

Question 9

function of muscularis externa

Answer 9

muscle layers assisting with peristalsis: wave movt of food
-one layer has cigar like nucleus
-other has rounder nucleus

Question 10

submucosa

Answer 10

next to muscularis externa, rather empty, few scattered nuclei, wavy collagen fibers, somtimes glandular tissues

Question 11

mucosa

Answer 11

closest to lumen

Question 12

3 layers of mucosa

Answer 12

muscularis mucosa: thin smooth muscle, dark pink bend
lamina propria: loose matrix of cells + ground tissue
epithileum: protects organ from contents in lumen