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Anatomy > 5 Histology (Lecture) > Flashcards

5 Histology (Lecture) Flashcards

1
Q

Histology

A

a group of similar or identical cells that work together

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2
Q

Four primary tissues

A

Epithelium, Connective, Muscle Nerve

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3
Q

XXX Functions of Epithelium

A

Protective barrier against the external enviromnent IE skin digestive tract, urinary, respiratory, reproductive.

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4
Q

Narrow spaces - no spaces between cells

A

Epithelium

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5
Q

Regenerate continuosley replace themselves. Normally fast dividing cells

A

Epithelium

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6
Q

What type of cells are avascular

A

Epithelial

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7
Q

Absorbtion What ever gets into the body comes in through

A

Epithelium

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8
Q

XXX Faces out the external environment

A

Apical surface of Epithelium

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9
Q

Faces internal surface

A

Basal surface of Epithelium

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10
Q

Protein fibers that connect all the epithelial cells to the body

A

Basement membrane of Epithelium

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11
Q

What are glands made out of

A

Epithelium

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12
Q

Cell layers (simple)

A

one cell layer thick

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13
Q

Cell layers (stratified)

A

2 or more cell layers thick

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14
Q

Cell shape (squamous)

A

thin and flat (fried egg)

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15
Q

Cell shape (cuboidal)

A

cube shaped

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16
Q

Cell shape (clumnar)

A

colum shaped

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17
Q

State layer then shape

A

simple squamous

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18
Q

Pseudostratified Epithelium

A

Psuedo stratified columnar. these epthilium always have cilia

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19
Q

Transitional epithelium

A

can change shape found in bladder and uterus

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20
Q

Endocrine glands

A

secrete chemicals into blood stream

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21
Q

Exocrine glands

A

secrete into a duct

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22
Q

Merocrine (eccrine)

A

they secrete by exocytosis

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23
Q

Apocrine

A

mammary shed large pieces of the cell

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24
Q

Holocrine

A

oil glands when they release material the explode

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25
Q

Connective tissue (unattached cells)

A

there is always space between cells

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26
Q

Connective tissue (matrix)

A

The material that fills the space between cells

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27
Q

Connective tissue (divide slowly)

A

sometimes they won’t divide unless there has been an injury. Bone is slow Skin is fast

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28
Q

Connective tissue (protects________& connects ________

A

organs and structures (muscle to bone)

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29
Q

Connective tissue (transports materials)

A

Blood is classified as a connective tissue

30
Q

Connective tissue (defends the body)

A

WBC are connective

31
Q

Connective tissue (store energy)

A

fat cells are connective

32
Q

Adipocytes

A

lipid cells

33
Q

osteoblasts

A

bone cells

34
Q

chondroblasts

A

cartilidge cells

35
Q

***XXX Fibroblasts

A

protien fiber making cells

36
Q

***XXX Collagen fibers

A

thick and strong and flexable not elastic

37
Q

***Elastin fibers

38
Q

Reticular fibers

A

delecate and highly branching filers found between organs

39
Q

Wandering cells

A

these cells articulate around the body

40
Q

Hematopoietic cells

41
Q

Loose connective tissue (areolar)

A

few fibers nonparallel

42
Q

Loose connective tissue (adipose tissue)

A

a few protein

43
Q

Loose connective tissue (reticular)

A

found inside organs

44
Q

Dense connective tissue (Regular)

A

all parrallel (tendons 2 directions)

45
Q

Dense connective tissue (Irregular)

A

not parrallel (gives strength in many directions) IE skin

46
Q

Fluid connective tissue

A

Blood when and injury happens the clot is connective

47
Q

Cartilage

A

serves as a model for bone

48
Q

XXX Joints (Hyaline cartilage)

A

contains cartilage that is surrounded by a gel

49
Q

Ear (elastic cartilage)

A

contains elastin fibers

50
Q

Disc (fibro catilage)

A

contains collogen

51
Q

Osseous tissue

A

bone tissue

52
Q

Keratinized tough, dead layer avascular

A

skin (cutaneous membrane)

53
Q

Mucin protein, nonkeratinized, never a dead layer

A

mucous membrane

54
Q

found around moving parts reduces friction Parietal layer and visceral layer

A

Serous membrane

55
Q

Parietal layer

A

always attached to the wall of the body

56
Q

Visceral layer

A

Always attached to the moving organ

57
Q

usally contains no epithelial cells located around freely moving parts

A

synovial membrane

58
Q

What is the only kind of tissue that contracts when it is stimulated

59
Q

XXX What type of muscle is Long and Multinucleated

A

Skeletal striated muscle or muscle fibers

60
Q

What type of muscle is volentary

A

Skeletal striated muscle or muscle fibers

61
Q

What type of muscle moves bone and skin

A

Skeletal striated muscle or muscle fibers

62
Q

What type of muscle is controlled by the CNS

A

Skeletal striated muscle or muscle fibers

63
Q

What type of muscle is involentary, branching, intercalated discs, and rhythmic

A

cardiac muscle

64
Q

What type of muscle is involentary, non-striated, encircles tubes, slow contract, and regenerates

A

smooth muscle

65
Q

what type of tissue communicates electrchemically

66
Q

XXX What type of tissues DONT divide when mature 7-8 years

67
Q

Neuroglia

A

protect and support nerve cells Reproduce through out your life

68
Q

What is a dendrite

A

shor numerous projections. Recieve chemical signals and convert them to elctrical signals

69
Q

Soma

A

This is where the nuclous is

70
Q

Axon

A

electrical transmitter

71
Q

synaptic terminal

A

swelling at the tips of axons. Store chemicals that nerve cells communicate with

72
Q

NTR

A

neurtotransmitter

Anatomy (30 decks)

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