Mammalian Histology Flashcards

1
Q

Function of SQUAMOUS cells

A

DIFFUSION, FILTRATION, SECRETION

PROTECTION

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2
Q

Function of CUBOIDAL & COLUMNAR cells

A

SECRETION & ABSORPTION

PROTECTION

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3
Q

Function of TRANSITIONAL cells

A

PROTECTION

DISTENSION of urinary structures.

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4
Q

Appearance of SQUAMOUS cells

A

FLATTENED

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5
Q

Appearance of CUBOIDAL cells

A

similar height depth width

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6
Q

Appearance of COLUMNAR cells

A

taller than wide

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7
Q

Appearance of TRANSITIONAL cells

A

change shape when stretched

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8
Q

SIMPLE epithelia

A

once cell thick

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9
Q

STRATIFIED epithelia

A

more than 1 cell thick, only bottom layer in contact w basement membrane

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10
Q

PSEUDOSTRATIFIED epithelia

A

appear >1 cell thick but all cells rest on basement membrane

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11
Q

GLANDULAR epithelium

A

aggregated epithelial cells clustered to perform specific secretory/excretory functions.

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12
Q

MEROCRINE glands

A

secretion passes via EXOCYTOSIS

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13
Q

HOLOCRINE glands

A

involves cell death, debris is part of secretion

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14
Q

APOCRINE glands

A

apical end pinched off

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15
Q

State the 4 epithelial membrane types

A

Mucous
serous
cutaneous
synovial

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16
Q

SEROUS membranes:

  • Parietal layer
  • Visceral layer
A

Line closed body cavities, secrete serous fluid

  • parietal attaches to body wall around organ
  • visceral attaches to organs
17
Q

MUCOSA

A

Line cavities open to environment

18
Q

CUTANEOUS membrane

A

SKIN - covers outside of body

19
Q

SYNOVIAL membranes

A

Line cavities of freely moveable joints.