Tissues Flashcards

1
Q

4 primary types

A
  1. Epithelial
  2. Connective
  3. Muscle
  4. Nervous
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2
Q

Epithelial

A

Covers body surfaces for protection, line internal organs for absorption and excretion, and make up glands for secretion

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3
Q

Basement membrane

A

Layer that anchors epithelial to connective tissue

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4
Q

Shapes

A

Squamous, cuboidal, columnar

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5
Q

Layers

A

Simple (single
Stratified (multiple)
Pseudostratified (appears to be multiple, but is really a single layer)

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6
Q

Simple squamous

A

Single layer, flat thin cells,

Example- membranes

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7
Q

Stratified squamous

A

Multiple layers of thin, flat cells

Example- skin, mouth, vagina, anus

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8
Q

Simple cuboidal

A

Single layer, cube-shaped

Example- kidneys, ovaries

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9
Q

Stratified cuboidal

A

Multiple layers of cube-shaped cells

Example- mammary glands, sweat glands

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10
Q

Simple columnar

A

Single later of tall cells

Example- digestive tract

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11
Q

Stratified columnar

A

Multiple layers of tall cells

Example- reproductive tract, male urethra

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12
Q

Pseudostratified columnar

A

Ciliated, respiratory tract

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13
Q

Transitional

A

Urinary bladder

Stratified but looks simple

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14
Q

Connective tissue

A

Fibroblast- secretes protein fibers into matrix

Adipose- fat storage

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15
Q

CT proper

A

Dense and loose

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16
Q

Dense regular

A

Lots of collagen (strength)

Example- tendons, ligaments

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17
Q

Dense irregular

A

Lots of collagen (strength)

Example- skin

18
Q

Loose, adipose

A

Fat storage (energy, cushion)

Example-abdomen, around heart,

19
Q

Loose areolar

A

Elastic fibers

Anchors skin packaging between muscles

20
Q

Elasticity

A

Rubber band ability to snap back together

21
Q

Loose, reticular

A

Reticular fivers, creates framework

Example- liver

22
Q

Supporting, cartilage, hyaline

A

Structural

Example- found on ends of bones, nose

23
Q

Cartilage

A

Elastic, flexible framework

Example- ears, epiglottis

MORE flexible than hyaline

24
Q

Fluid

A

Blood- transport

Lymph- transport, immune

25
Q

Muscle

A

Contraction

26
Q

Skeletal (muscle)

A

Voluntary
Physical movement
Posture

27
Q

Cardiac (muscle)

A

Involuntary

Heartbeat

28
Q

Smooth (muscle)

A

Involuntary

Digestion, respiration, gland secretion (functions we don’t want to think about)

29
Q

Nervous

A

Communication and coordination

30
Q

Neurons

A

Nerve cells

31
Q

Neuroglia

A

Supporting cells

32
Q

Astrocytes

A

Blood-brain barrier

Nutritional support

33
Q

Oligidendrocytes and Schwann cells

A

Myelin sheaths (wrap around axon)

34
Q

Microglia

A

Protection

35
Q

Ependymal cells

A

Create and circulate CSF

36
Q

Satellite cells

A

Protection of ganglia

37
Q

Atrophy

A

Shrinkage of tissue due to age or disuse

38
Q

Necrosis

A

Premature death of tissue

39
Q

Gangrene

A

Death of tissue due to an insufficient blood supply, (infection)

40
Q

Apoptosis

A

Programmed cell death

Example, webbed fingers, toes