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foundations of medicine 2 > histology > Flashcards

histology Flashcards

1
Q

name the 4 layers of the digestive system from inside out

A

mucosa
submucosa
muscularis
serosa

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2
Q

4 components GI mucosa

A

basal lamina
epithelium
lamina propria
muscularis mucosa

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3
Q

what is the lamina propria

A

thin layer of smooth muscle

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4
Q

what is the muscularis mucosa

A

layer of loose connective tissue

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5
Q

what is the submucosa

A

outer layer of connective tissue

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6
Q

what is the muscularis layer

A

2 layers of thick muscle

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7
Q

describe the muscularis layer

A

outer longitudinal layer
nerve plexus
inner circular layer

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8
Q

what is the enteric nervous system

A

nervous system of the GI tract

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9
Q

describe protective mucosa

A

non-keratinised stratified squamous epithelium

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10
Q

where is protective mucosa found (4)

A

oral cavity
pharynx
oesophagus
anal canal

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11
Q

describe secretory mucosa

A

simple columnar epithelium with extensive tubular glands

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12
Q

where is secretory epithelium found

A

stomach

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13
Q

where is absorptive mucosa found

A

small intestine

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14
Q

describe absorptive mucosa

A

simple columnar epithelium with villi and tubular glands

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15
Q

describe the basic structure of a liver lobule

A

portal triad at each corner, central vein

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16
Q

whats involved in the portal triad

A

bile duct
branch of hepatic artery
portal vein

17
Q

what lines the trachea

A

respiratory epithelium

18
Q

describe blood flow in a liver lobule

A

from portal and hepatic artery towards central vein through sinusoids

19
Q

what is respiratory epithelium

A

pseudo-stratified, ciliated columnar epithelium with goblet cells

20
Q

what lines the alveoli

A

simple squamous epithelium

21
Q

what is the main functional unit of the kidney

A

nephron

22
Q

name the 3 basic layers of a blood vessel

A

tunica intima
tunica media
tunica externa

23
Q

what is tunica intima

A

endothelium

24
Q

what is tunica media

A

smooth muscle

25
Q

what is tunica externa

A

connective tissue

26
Q

what is used for fixation of tissue

A

formalin

27
Q

give an example of an acidic cell stain

A

eosin

28
Q

give an example of a basic stain

A

haematoxylin

29
Q

apical side of the epithelium

A

faces the lumen of a tube or the external environment

30
Q

basal side of the epithelium

A

attaches to the basement membrane

31
Q

what is the most common type of cartilage

A

hyaline

32
Q

role of schwann cells

A

produce myelin

foundations of medicine 2 (12 decks)

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