respiratory and digestive system descriptions quiz 6

0.0(0)
studied byStudied by 0 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/13

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

14 Terms

1
New cards

lumen

a cavity or hole inside of a tube, blood vessel or hollow organ. blood flows through the ____ of the blood vessel

2
New cards

acini

small, ball shaped cluster of secretory cells surrounding ducts

3
New cards

duct

a tubular structure transports secretions of gland. ____ are comprised of a single cubiodal epithelium, doughnut pattern

4
New cards

lobes

large, roundish projection of divisions of organs. ___ can be seen with the naked eye.

5
New cards

lobules

small divisons of the cells in an organ, forming a functional unit. ____ usually require a microscope to be seen

6
New cards

general alimentary canal

the stomac, small intestine, and large intestine have a similar general structure. 4 layers of tissue called tunics,

7
New cards

serosa

very thin tunic made of simple squamous epithelium that surrounds the outside of the organ. difficult to see bc of how thin it is but always is there.

8
New cards

muscularis externa

lies immediately inside the serosa, comprise of at least 2 layers of smooth muscle - outer layer longitudinal, inner layer circulatory. helps peristalsis (wave like movement to help food through.) one layer the nuclei is like cigars, the other is round

9
New cards

submucosa

next to muscularis externa, rather empty looking tunica, scattered nucli, a few wavy collagen fibers and sometimes glanduar tissue

10
New cards

mucosa

closest to lumen, has 3 sub layers

11
New cards

muscularis mucosa

first sub layer of mucosa, thin layer of smooth muscle, dark pink band.

12
New cards

lamina propria

a loose matrix of cells and ground tissue, middle layer

13
New cards

epithelium

protects the organ from what is insid the lumen, closest sub layer to lumen.

14
New cards

order of tunicas, including sublayers. Outside → Inside.

serosa>muscularis externa>submucosa>mecosa(muscularis mucosa>lamina propia>epithelium)