Tissues Flashcards

(75 cards)

1
Q

What are the 4 major types of tissue?

A

epithelial, connective, muscle, nervous

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2
Q

What does epithelial tissue cover?

A

all body surfaces inside & out

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3
Q

What is epithelial tissue connected to?

A

underlying connective tissue at the basement membrane

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4
Q

How much of your body weight does skin account for?

A

15%

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5
Q

What are the functions of epithelial tissue?

A

protection, secretion, absorption, excretion, senses

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6
Q

How is epithelial tissue categorized?

A

based on the shape of the cells and their layers

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7
Q

What is the meaning of “simple”?

A

single layer

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8
Q

What is the meaning of “stratified”?

A

multiple layers

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9
Q

What is the meaning of “squamous”?

A

flat

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10
Q

What is the meaning of “cuboidal”?

A

square

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11
Q

What is the meaning of “columnar”?

A

column (rectangle)

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12
Q

What epithelial tissue is flat, thin, and a single layer?

A

simple squamous

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13
Q

What is the function of simple squamous tissue?

A

diffusion of oxygen and carbon dioxide

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14
Q

Where is simple squamous tissue found in the body?

A

air sacs in lungs

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15
Q

What epithelial tissue is cube shaped and a single layer?

A

simple cuboidal

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16
Q

What is the function of simple cuboidal tissue?

A

absorption and secretion

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17
Q

Where is simple cuboidal tissue found in the body?

A

ovaries, kidneys

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18
Q

What epithelial tissue has long cells and is a single layer?

A

simple columnar

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19
Q

What is the function of simple columnar tissue?

A

absorption of nutrients

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20
Q

Where is simple columnar tissue found in the body?

A

digestive tract (intestines)

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21
Q

What epithelial tissue is multi-layered and has squamous cells?

A

stratified squamous

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22
Q

What is the function of stratified squamous tissue?

A

protection

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23
Q

Where is stratified squamous tissue found in the body?

A

the outer layer of skin

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24
Q

What epithelial tissue appears “stratified” but is actually a single later and has nuclei at various levels?

A

pseudostratified columnar

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25
What is the function of pseudostratified columnar tissue?
moves air, removes debris
26
Where is pseudostratified columnar tissue found in the body?
air passages (trachea)
27
What epithelial tissue is thick and has layered cuboidal cells?
transitional
28
What is the function of transitional tissue?
stretchable and waterproof
29
Where is transitional tissue found in the body?
urinary bladder
30
What is glandular epithelium/tissue?
cells specialized to secrete substances, make up the body's glands (exocrine and endocrine)
31
What is an example of exocrine glands?
spit, sweat
32
What is an example of endocrine glands?
hormones
33
What is the most abundant tissue in the body?
connective
34
What is the purpose of connective tissue?
provides support, protection, frame work, fills space, stores fat, produces blood cells, fights infection
35
What is connective tissue composed of?
scattered cells within a matrix
36
What are the three common types of connective tissue cells?
mast cells, macrophages, fibroblasts
37
What is the purpose of mast cells?
prevent clots
38
What is the purpose of macrophages?
consumers
39
What is the purpose of fibroblasts?
produce fibers
40
What are the main types of fibers?
collagenous and elastic
41
What are the physical characteristics of collagenous fibers?
strong, flexible, not very elastic
42
What are the physical characteristics of elastic fibers?
not as strong, very elastic
43
Where are collagenous fibers found?
bones, ligaments, tendons
44
Where are elastic fibers found?
ears, vocal cords
45
What are the eight types of connective tissue?
loose c.t., adipose, fibrous, hyaline, elastic cartilage, fibrocartilage, osseous, blood
46
What is the function of loose connective tissue?
forms thin membrane
47
Where is loose connective tissue located in the body?
binds skin to internal organs
48
What is the function of adipose tissue?
protects, insulates, and stores energy (carbs)
49
Where is adipose tissue found in the body?
fatty layer beneath the skin
50
What is the function fibrous connective tissue?
connects bone to bone and muscle to bone
51
Where is fibrous connective tissue found in the body?
tendons and ligaments
52
What do tendons connect?
muscle to bone
53
What to ligaments connect?
bone to bone
54
What is the function of hyaline tissue?
serves as padding
55
Where is hyaline tissue found in the body?
covers ends of bones
56
What is the function of elastic cartilage?
movement and flexability
57
Where is elastic cartilage found in the body?
ears and trachea
58
What is the function of fibrocartilage?
shock absorption
59
Where is fibrocartilage found in the body?
vertebre (discs)
60
What is the function of osseous tissue?
movement, protection, support
61
Where is osseous tissue found in the body?
skeleton
62
What is the function of blood tissue?
carries oxygen and nutrients
63
Where is blood tissue found in the body?
circulates throughout the body
64
What are cartilage cells called?
chondrocytes
65
What are the three types of muscle tissue?
striated, smooth, cardiac
66
What is the function of striated muscle tissue?
movement - voluntary
67
Where is striated tissue found in the body?
muscles connected to bones
68
What is the function of smooth muscle tissue?
moves food - involuntary
69
Where is smooth tissue found in the body?
digestive system
70
What is the function of cardiac muscle tissue?
pumps blood - involuntary
71
Where is cardiac tissue found?
heart
72
What is the function of nerve tissue?
transmits electrical impulses
73
Where is nerve tissue found in the body?
nerves and neuroglia (brain, spinal cord)
74
What is the function of neurons?
transmits signals
75
What is the function of neurolgia?
protection, support