Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Histology > Digestive Tract > Flashcards

Digestive Tract Flashcards

1
Q

What are the layers of the digestive tract

A

Mucosa - epi sit on basal lama, lamina propria, muscularis mucosae

Submucosa

Muscularis externa

Serosa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the gastro-oes junction

A

Abrupt transition from stratified squamous epi of oes to columnar epi of Cardia stomach

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Some structures of stomach

A 
Oes 
Fundus
Rugae
Cardia
Body
Pylorus
Pyloric sphincter
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are gastric pits lined with

A

Surface mucous cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are some other cells of stomach epi p

A

Parietal
Chief
Enterochromaffin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What doe the chief cell prod

A

Sec digestive enzymes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What does a parietal cell prod

A

HCl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is unusual about muscularis externa

A

Areas have additional layer
Oblique to usual circular and longitudinal muscle
AIDS churning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Peat is the gastro-duo junction

A

Abrupt transition from stomach mucosa to duo mucosa

Inner circular layer thickened to make outright sphincter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are crypts of lieberkuhn

A

Besides villi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are plicae circularis and villi

A

Pc - large fold whic have villi projecting form

Crypts between villi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the epi of the tongue

A

Anterior 2/3 - stratified squamous epi, thin ventral, thick dorsal

Posterior 1/3 - smooth stratified squamous epi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the basic structure of the small intestine

A

Duo
Jej
Ileum
Approx 5 m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What happens at the duo

A

Receives acidic chyme from stomach which is partly digested

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are brunners glands

A

Glands in duo submucosa

Stim by presence of acidic chyme and prod a thin alkaline mucous to neutralise chyme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are enterocytes

A

Most numerous cells of small intestine epi
Tall Columnar with brush border
Principle absorptive cell

17
Q

What are goblet cells

A

Produce mucin to protect epi and lubricate passages of material

18
Q

What are paneth cells

A

Found at base of crypts of lieberkuhn

Defensive make lysosomes

19
Q

What are neuroendocrine cells

A

Produce hormones that contribute to control of sec and motility in crypts

20
Q

What are stem cells

A

Found at base of crots of lieberkuhn they divide and replenish epi

21
Q

What is galt

A

Gut associated lymphoid tissue
Scattered lymphocytes
Peyers patches

22
Q

What are the principle cell types of the large intestine

A

Absorptive cells - enterocytes - remove slats and water

Goblet cells - sec mucus to lubricate colon

23
Q

What is teniae coli

A

3 muscular strips

Outer longitudinal muscle of large intestine

24
Q

What is the recto anal junction

A

Distinct junction between mucosa of rectum and stratified squamous epi of anal canal

25
Q

What is the enteric nervous system

A

Digestive tract has own nervous system receives input form autonomic nervous system
Coord gut motility
Myenteric plexus especially for motility
Submucosal reg sec

Histology (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions