Histo Flashcards

1
Q

(holocrine/apocrine/merocrine): uses lysis

A

holocrine

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2
Q

(holocrine/apocrine/merocrine): uses shedding

A

apocrine

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3
Q

(holocrine/apocrine/merocrine): uses exocytosis

A

merocrine

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4
Q

(holocrine/apocrine/merocrine): sebaceous

A

holocrine

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5
Q

(holocrine/apocrine/merocrine): mammary

A

apocrine

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6
Q

(holocrine/apocrine/merocrine): sweat

A

merocrine

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7
Q

(simple/compound/both) glands: can be branched

A

compound

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8
Q

four things in the sebum

A

triglycerides, cholesterol, squalene, wax esters

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9
Q

three cell types found in sweat glands

A

pale, dark, myoepithelial

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10
Q

function of myoepithelial cells

A

contract to expel secretory product

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11
Q

in which layer are myoepithelial cells found

A

basal lamina

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12
Q

three types of acini in salivary glands

A

serous, mucous, mixed

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13
Q

(serous/mucous/mixed) acini secretions: sIgA

A

serous

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14
Q

(serous/mucous/mixed) acini secretions: mucins

A

mucous

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15
Q

(serous/mucous/mixed) acini secretions: serous demilunes

A

mixed

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16
Q

what are serous demilunes

A

fixation artifact

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17
Q

in which glands are the basal striations found

A

salivary glands, intralobular ducts

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18
Q

function of basal striations

A

house mitochrondria, active transport of ions

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19
Q

how can you differentiate the pancreas from parotid gland

A

islet of Langerhans

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20
Q

content of zymogenic granules

A

proenzymes

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21
Q

which cells are responsible for producing bicarbonate in the pancreas

A

intercalated ducts, interlobular ducts

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22
Q

four layers that make up wall of GI tract

A

mucosa, submucosa, muscularis externa, serosa or adventitia

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23
Q

four types of papillae in tongue

A

filiform, fungiform, foliate, circumvillate

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24
Q

esophageal glands proper are found in which layer of the esophagus

A

submucosa

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25
Q

three major types of gastric glands

A

cardiac, gastric, pyloric

26
Q

(cardiac/gastric/pyloric) gastric glands: short pits, mostly mucous

A

cardiac

27
Q

(cardiac/gastric/pyloric) gastric glands: medium pits, four cell types

A

gastric

28
Q

(cardiac/gastric/pyloric) gastric glands: very long pits

A

pyloric

29
Q

parietal cells secrete (two things)

A

HCl and intrinsic factor

30
Q

structure of parietal cells

A

binucleate, eosinophilic, intracellular canaliculus

31
Q

gastric chief cells synthesize (two things)

A

pepsinogens and gastric lipases

32
Q

structure of gastric chief cells

A

columnar, serous cells, in basal half of gastric gland

33
Q

what do enteroendocrine cells produce (three things)

A

gastrin, somatostatin, ghrelin

34
Q

where are enteroendocrine cells found

A

base of gastric glands

35
Q

three structural modifications in SI that facilitate absorptive process

A

microvilli, striated border, plicae circularis

36
Q

which glands secrete alkaline mucous from the submucosa to protect the duodenum from gastric acid

A

Brunner’s

37
Q

where is an M cell and what does it cover

A

in ileum epithelium, covers Peyer’s patches

38
Q

basement membrane under M cell is (discontinuous/continuous)

A

discontinuous

39
Q

(colon/appendix/rectum): plicae semilunaris, taenia coli

A

colon

40
Q

(colon/appendix/rectum): less lymphoid tissue, no taenia coli

A

rectum

41
Q

(colon/appendix/rectum): fewer and shorter crypts, no taenia coli

A

appendix

42
Q

where are stem cells located in the small intestine

A

base of crypts

43
Q

turnover time of paneth cells

A

30 days

44
Q

parietal cells secrete (HCl/mucous)

A

HCl

45
Q

two types of mucous cells

A

neck and surface mucous cells

46
Q

chief cells produce (pepsinogen/HCl)

A

pepsinogen

47
Q

two types of cells that secrete lysozyme

A

serous, Paneth

48
Q

cell that secrete secretory component

A

absorptive cells

49
Q

plasma cells in Peyer’s patches secrete (IgA/gastrin)

A

IgA

50
Q

parietal cells secrete (gastrin/intrinsic factor)

A

intrinsic factor

51
Q

enteroendocrine cells secrete (gastrin/intrinsic factor)

A

gastrin

52
Q

what cell produces bile and plasma proteins

A

hepatocyte

53
Q

what cell type stores Vit A

A

Ito cell in perisinusoidal space

54
Q

what cells border the bile canaliculi

A

adjacent hepatocytes

55
Q

which hepatocyte organelle is involved in drug detox

A

SER

56
Q

dual blood supply of liver first gets mixed in:

A

hepatic sinusoids

57
Q

bilirubin glucuronide gives feces their:

A

color

58
Q

what three things does the concept of a liver acinus explain

A

blood perfusion, metabolic activity, liver pathology

59
Q

what layers does the gallbladder have

A

mucosa, muscularis, adventitia/serosa

60
Q

three major cell types that border the perisinusoidal space

A

Ito, hepatocytes, blood cells

61
Q

two functions of gall bladder

A

store and concentrate bile

62
Q

____ cells: from monocytes, destroy aged RBCs, digest Hb, destroy bacteria, 15% of liver cells, ID in rat stained with trypan blue

A

Kupffer cells