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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
Q

Cardiac muscle

A

Fast, involuntary, only in heart

25
Q

Nervous tissue

A

Consists of neurons and accessory elements

26
Q

Mesenchyme

A

Embryonic/fetal tissue

27
Q

Collagenous fibers

A

Made of collagen, have high tensile strength

28
Q

Reticular fibers

A

Very fine and thin fibers w/spiderweb-like net

29
Q

Elastic fibers

A

Stretchy, allows for movement

30
Q

Ground substance

A

Fluid diffusion medium of connective tissue

31
Q

Loose connective tissue

A

Loose networks of collagenous w/ some elastic and reticular fibers

32
Q

Dense connective tissue

A

Lots of fibers, very few cells

33
Q

Mast cells

A

Produce histamine

34
Q

Have high tensile strength

A

Collagenous fibers

35
Q

Very fine and thin fibers with spiderweb like appearance

A

Reticular fibers

36
Q

Stretchy fibers, allows for movement

A

Elastic fibers

37
Q

Fluid diffusion medium of connective tissue

A

Ground substance

38
Q

Embryonic and fetal tissue

A

Mesenchyme

Vertebrate Morphology (26 decks)

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