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Vertebrate Morphology > Histology > Flashcards

Histology Flashcards

1
Q

Epithelia

A

Sheet-like tissues that cover free surfaces and ducts, sacs, and tubes.

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2
Q

Simple epithelium

A

One layer of cells

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3
Q

Stratified epithelium

A

More than one layer

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4
Q

Pseudostratified

A

All attached to basement membrane but not all reach free surface

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5
Q

Transitional epithelium

A

Specialized, capable of great distension

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6
Q

Squamous epithelium

A

Flat, wider than tall

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7
Q

Cuboidal epithelium

A

Cube shaped

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8
Q

Columnar

A

Column-like, taller than wide

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9
Q

Glandular epithelium

A

Secretes products

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10
Q

Ciliated epithelium

A

Surface has cilia

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11
Q

Sensory epithelium

A

Senses

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12
Q

Cornified epithelium

A

Impregnated with keratin

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13
Q

Absorptive epithelium

A

Absorbs

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14
Q

Glands

A

Organs that secrete products and are derived from Epithelia

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15
Q

Endocrine gland

A

Secretes product directly into bloodstream, ductless. Thyroid and adrenal

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16
Q

Exocrine gland

A

Secretes products through a duct onto free surface. Liver, pancreas

17
Q

Simple gland

A

One lobe, unbranched duct

18
Q

Compound gland

A

2 or more lobes, branched duct

19
Q

Mesocrine secretion

A

Secretion by exocytosis

20
Q

Apocrine secretion

A

Tip of cell breaks off into duct

21
Q

Holocrine secretion

A

Whole cell is shed onto free surface, then breaks open and releases product.

22
Q

Tissue

A

An assemblage of cellular and fibrous elements, in which one particular type predominates, organized to form material basis of a functional system.

23
Q

Smooth muscle

A

Slow-acting, involuntary; lines gut, ducts, vessels

24
Q

Skeletal muscle

A

Fast-acting, conscious and reflex control

25
Cardiac muscle
Fast, involuntary, only in heart
25
Nervous tissue
Consists of neurons and accessory elements
26
Mesenchyme
Embryonic/fetal tissue
27
Collagenous fibers
Made of collagen, have high tensile strength
28
Reticular fibers
Very fine and thin fibers w/spiderweb-like net
29
Elastic fibers
Stretchy, allows for movement
30
Ground substance
Fluid diffusion medium of connective tissue
31
Loose connective tissue
Loose networks of collagenous w/ some elastic and reticular fibers
32
Dense connective tissue
Lots of fibers, very few cells
33
Mast cells
Produce histamine
34
Have high tensile strength
Collagenous fibers
35
Very fine and thin fibers with spiderweb like appearance
Reticular fibers
36
Stretchy fibers, allows for movement
Elastic fibers
37
Fluid diffusion medium of connective tissue
Ground substance
38
Embryonic and fetal tissue
Mesenchyme

Vertebrate Morphology (26 decks)

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