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DMH Part 1 > Cells > Flashcards

Cells Flashcards

1
Q

mucous cells

A
  • mucus
  • most abundant, NOT goblet cells (found in intestines and respiratory tract)
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2
Q

parietal (oxyntic) cells

A
  • HCl, intrinsic factor
  • Ach, gastrin, histamine
  • gastric region of stomach
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3
Q

chief cells (peptic)

A

•pepsinogen, gastroferrin

-pepsinogen –> pepsin at pH < 5

•gastric region of stomach

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4
Q

enetroendocrine cells

A

•gastrin (stomach), secretin, CCK, GIP (large - rare - and small intestine)

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5
Q

stem cells

A
  • regeneration
  • bases of glands
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6
Q

enterocytes

A
  • digetion, absorption, IgG transport
  • small and large intestine
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7
Q

Paneth cells

A
  • lysozyme, other anti-microbials
  • small intestine, large intestine proximal colon only
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8
Q

goblet cells

A
  • mucin
  • small intestine
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9
Q

M cells

A
  • transfer antigens from lumen –> lymphoid follicle
  • Follicle Associated Epithelium (FAE) of respiratory tract and small intestine
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10
Q

Langerhans cells

A
  • oral antigens –> lymphocytes
  • stratified squamous epithelium
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11
Q

ameleoblast cells

A
  • secrete enamel
  • lost on tooth eruption
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12
Q

odontoblast cells

A
  • secrete dentin
  • pulp cavity
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13
Q

cementocyte cells

A

•secret cementum

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14
Q

serous cells

A
  • synthesize amylase, lysozyme; transport ions, fluid and antibodies
  • salivary glands - serous acini and demilune acini
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15
Q

mucous cell

A
  • secrete mucin
  • salivary glands - mucus acini and demilune acini
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16
Q

myoepithelial cell

A
  • within basal lamina - contractile
  • salivary glands
17
Q

intercalated duct cell

A

•salivary gland

18
Q

striated duct cell

A
  • ion transport
  • salivary glands
19
Q

excretory duct cell

A

•salivary gland

20
Q

G cell

A
  • secrete gastrin
  • GRP, amino acids, Ach (indirectly, Ach stimulates enteric cells to relase GRP)
  • pyloric antrum of stomach
21
Q

S cells

A
  • secrete secretin
  • dudenum and jejunum
22
Q

K cells

A
  • secrete GIP
  • throughout small intestine
23
Q

L cells

A
  • secrete GLP1
  • throughout small intestine and upper colon
24
Q

I cells

A
  • secrete CCK
  • duodenum and jejunum
25
Q

enterochromaffin cell

A
  • histamine
  • submucosa
26
Q

mucus vs. mucin

A

Mucus is a “slimy” material that coats many epithelial surfaces and is secreted into fluids such as saliva. It is composed chiefly of mucins and inorganic salts suspended in water.

Mucins are a family of large, heavily glycosylated proteins.

DMH Part 1 (35 decks)

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