Histology Flashcards Preview

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Flashcards in Histology Deck (30):
1

epithelium in oral cavity, oro+laryngopharynx

non-keratinised stratified squamous epithelium

2

nasal cavity and nasopharynx are covered in __ epithelium

respiratory

3

histological distinguishing feature of foliate papilla

lots of crypts

4

histological distinguising feature of circumvallate papilla

glands at either side

5

histological distinguishing features of filiform papilla

rough and keratinised

6

In posterior 1/3 of tongue ___ allow access to lots of ___ tissue

crypts
lymphoid

7

Oesophagus has ___ in submucosa

mucous secreting glands

8

Gastric pits from surface downwards name parts and what cells predominate

isthmus - parietal
neck - mucous and stem
base - chief, enteroendocrine and parietal

9

Chief cells contain ___ and so stain ___

zymogen granules
dark purple

10

parietal cells stain ___ than chief cells but have lots of ___

lighter
mitochondria

11

mucosa in cardia of stomach =

deep pits with loosely packed tortuous glands in them

12

mucosa in body of stomach =

shallow pits with long straight glands

13

mucosa in pylorus of stomach =

deep pits with branched coiled glands (denser than in cardia)

14

Compared to rest of GI tract stomach has an extra ___ in muscularis externa

inner oblique layer

15

In small intestine Villi project upwards next to ___

crypts of Lieberkuhn

16

Cells in the small intestine wall:

enterocytes
goblet
paneth
neuroendocrine
stem

17

Enterocytes in small intestine are __ with a __

columnar with a brush border

18

paneth cells are found ___ in the small intestine
secrete:

in the base of crypts
lysozyme and defensins

19

neuroendocrine cells in small intestine secrete:

hormones eg. VIP, gastrin, CCK

20

2 types of cells found at base of crypts in small intestine

stem cells
paneth cells

21

Duodenum has ___ in submucosa which neutralises acid

Brunner's glands

22

2 areas in GI tract with glands in submucosa =

oesophagus and duodenum

23

plicae circularis =

gross fols in jejunum

24

Ileum has GALT called ___ in ___

peyer's patches in submucosa to lamina propria

25

Large intestine has _+_ ells in ___glnads that go to the muscularis mucosae

goblet and absorptive
straight tubular glands

26

3 strips of longitudinal muscle in colon =

teniae coli

27

Appendix is similar histologically to colon but ___+_

crypts are less abundant
circular arrangement of lymphoid tissue in submucosa

28

Abrupt change from colon epithelium with tubular glands to stratified squamous epithelium continuous with the skin =

rectoanal junction

29

Myenteric plexus controls

motility of the gut

30

Submucosal plexus controls

muscularis mucosae an secretions