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ES 2040 Ch. 3 Tissues > Tissues And Epithelial Tissue > Flashcards

Tissues And Epithelial Tissue Flashcards

1
Q

What is the function of epithelial tissue?

A

Protect, secret, and absorb; covering and lining

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2
Q

Epithelial tissue: vascular or avascular?

A

Avascular; epithelial tissues do not have blood flow

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3
Q

What are the 2 forms of epithelial tissue?

A

Form 1: surface, lining epithelial
Form 2: glandular, secreting epithelial

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4
Q

Where is “surface, lining epithelium” mostly found?

A

Vast majority of the body

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5
Q

Types of layers of epithelial:

A

Simple and stratified

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6
Q

Characteristic shapes of epithelial:

A

Squamous, cuboidal, and columnar

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7
Q

Simple:

A

Single layer of cells

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8
Q

Stratified:

A

Multiple layers

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9
Q

Squamous:

A

Thin; flat cells

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10
Q

Cuboidal:

A

Cube shaped cells

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11
Q

Columnar:

A

Long column shaped cells

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12
Q

Simple squamous function

A

Allows passage by diffusion

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13
Q

Stratified squamous function

A

Protects from abrasion

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14
Q

Simple columnar function

A

Absorption, secretes muchos, enzymes

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15
Q

Simple cuboidal function

A

Secretion and absorption

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16
Q

Where is simple squamous found

A

Kidneys, air sacs of lungs

17
Q

Where is stratified squamous found

A

Lining of organs (mouth, esophagus, vagina)

18
Q

Where is simple columnar found

A

Digestive tract, ducts, glands

19
Q

Where is simple cuboidal found

A

Kidney tubes, ducts, small glands

20
Q

The 4 major tissue types are:

A

Epithelial, connective, muscle, and nervous

21
Q

The 3 types of cell junctions are:

A

Tight junctions, desmosomes, and gap junctions

22
Q

Tight junctions:

A

Barriers regulating water, solute movement

23
Q

Desmosomes:

A

Tightly welded together by glycol proteins; rivets and membranes

24
Q

Gap junctions:

A

Communicating junctions, direct chemical communication

25
Q

Which cell junction is rare

A

Gap junctions

26
Q

What is our skin mostly made of

A

Epithelial tissue

ES 2040 Ch. 3 Tissues (3 decks)

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