Histology Flashcards

1
Q

simple epithelium

A

one layer of cell

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2
Q

simple squamous

A

one layer of flattened cells

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3
Q

simple cuboidal

A

one layer of cells about as tall as wide

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4
Q

simple columnar

A

one layer of cells about as tall as wide

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5
Q

pseudostratified columnar

A

one layer of tall cells that appear stratified

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6
Q

stratified epithelium

A

two or more layers of cells

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7
Q

stratified squamous

A

multiple layers, upper layers of flattened cells

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8
Q

stratified cuboidal

A

two or more layers, cells about as tall as wide

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9
Q

stratified columnar

A

two or more layers of tall narrow cells

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10
Q

transitional

A

multiple layers of cells that change shape when stretched

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11
Q

(stratified) keratinized

A

superficial cells are dead

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12
Q

nonkeratinized

A

superficial cells are living

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13
Q

connective tissue

A

connective tissue serves to connect different structures to fill up the spaces between different spaces or boarders created by epithelial tissues. connective tissue is the most diverse abundant and widely distributed of the tissues. all connective tissue is made up of the three basic components
- cells
- protein fibers
- ground substance

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14
Q

areolar connective tissue

A

scattered fibroblasts, few elastic and collagen fibers, lots of blood vessels

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15
Q

adipose connective tissue

A

closely packed adipocytes; nucleus pushed to the edge of cell by large fat droplet, contains many blood vessels

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16
Q

reticular connective tissue

A

fibroblasts and numerous leukocytes within a ground substance, meshwork of reticular fibers

17
Q

dense regular connective tissue

A

fibroblasts squeezed between densely packed parallel arrays of collagen fibers; not a lot of ground substance

18
Q

dense irregular connective tissue

A

fibroblasts between densely packed but randomly arranged and clumped collagen fibers; more ground substance than in dense regular connective tissue extensive blood vessels

19
Q

elastic connective tissue

A

limited fibroblasts between densely packed elastic fibers

20
Q

hyaline cartilage

A

irregularly arranged chondrocytes in lacunae, glassy appearing ground substance collagen fibers are not visible

21
Q

fibro cartilage

A

large chondrocytes in lacunae, numerous, parallel collagen fibers, limited ground substance

22
Q

elastic cartilage

A

closely packed chondrocytes in lacunae, abundant elastic gibers that form weblike mesh, limited ground substance

23
Q

bone

A

osteocytes within lacunae entrapped in calcified hard extracellular matrix which contains protein fibers (primary collagen and ground substance) compact bone organized in osteons

24
Q

blood

A

contains formed elements (erythrocytes, leukocytes, and platelets) dissolved proteins within a liquid ground substance called plasma