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Bio 105 > Chapter 4 Tissues (Lab Study Guide) > Flashcards

Chapter 4 Tissues (Lab Study Guide) Flashcards

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Biology 101 flashcards
1
Q

Types of Tissue

A

1.) Epithelial
2.) Connective
3.) Muscular
4.) Nervous

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2
Q

how is epithelial tissue classified

A

number of layers
shape of cells

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3
Q

simle epithelia

A

single layer

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4
Q

stratified epithelia

A

many layers

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5
Q

squamous epithelia

A

flat/oval shape

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6
Q

cuboidal epithelia

A

cube shape

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7
Q

columnar

A

column shape

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8
Q

simple squamous

A

rapid diffusion / filtration

air sacs of lungs
heart/blood vessels

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9
Q

simple cuboidal

A

kidney tubules
small glands
ovaries

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10
Q

simple columnar

A

intestines

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11
Q

stratified squamous

A

epidermis of skin
esophagus
mouth

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12
Q

stratified cuboidal

A

sweat glands
mammary glands

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13
Q

stratified columnar

A

male urethra

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14
Q

transitional epithelia

A

stratified with many different cell shapes
where organs constantly move

bladder

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15
Q

pseudostratified ciliated columnar epithelia

A

looks like many but is really one
cilia helps move substances along a surface

trachea / bronchi of lungs

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16
Q

parts of connective tissue

A

ecm:
1.) ground substance
2.) fibers

cells
1.) fibroblasts (secrete fiber (ecm) in CT proper)
2.) chondrocytes (secrete ecm in cartilage)

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17
Q

types of connective tissue studied (we only did two)

A

connective tissue proper
cartilage

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18
Q

types of fibers

A

collagen
elastic
reticular

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19
Q

collagen fibers

A

thickest and strongest

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20
Q

elastic

A

thin
ability to stretch / recoil

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21
Q

reticular

A

shortest and thinnest

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22
Q

ground substance

A

gel like / bone like substance fills space of cells

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23
Q

types of connective tissue proper

A

loose and dense

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24
Q

types of loose connective tissue proper

A

1.) loose areolar
2.) loose adipose

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25
Q

types of dense connective tissue proper

A

1.) dense regular
2.) dense irregular

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26
Q

description of loose areolar

A

contains many different fibers

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27
Q

function of loose areolar

A

universal packing
(supports and binds other tissues)
MOST ABUNDANT

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28
Q

location of loose areolar

A

most abundant, very widespred
subcutaneous layer of skin

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29
Q

description of loose adipose

A

signet rings
triglyceride pushes nuclei to side of the cell
mdae of adipocytes

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30
Q

function of losoe adipose

A

cushioning
energy storage
insulating

31
Q

location of loose adipose

A

yellow bone marrow
mammary tissue

32
Q

description of dense regular

A

densely packed with collagen fibers
fibers run in same direction (parallel)

33
Q

function of dense regular

A

strength in one direction

34
Q

location of dense regular

A

tendons and ligaments

35
Q

ligaments are…

A

bone to bone

36
Q

tendons are…

A

muscle to bone

37
Q

description of dense irregular

A

densely packed with collagen fibers
fibers run in different directions

38
Q

function of dense irregular

A

strength in many directions

39
Q

location of dense irregular

A

dermis of skin
perichondrium (around cartilage)
periostium (around bone)

40
Q

is cartilage vascular

A

no!

41
Q

is epithelial vascular

A

no!

42
Q

is connective itssue proper vascular

A

yes!

43
Q

how does epithelial tissue and cartilage recieve nutrients

A

diffusion from connective tissue proper
diffusion from surrounding environment

44
Q

cells in cartilage

A

chondrocytes

45
Q

lacunae

A

little caves (small cavity) that hold chondrocytes

46
Q

how are chondroblasts found

A

in pairs

47
Q

types of cartilage

A

hyaline
elastic
fibrocartilage

48
Q

description of hyaline

A

appears glossy
(no fibers visible)
most abundant

49
Q

function of hyaline

A

flexibility / reduce friction

50
Q

location of hyaline

A

end of long bones
where sternum meets ribs
nose

51
Q

description of elastic

A

resembles hyaline but has more elastic fibers

52
Q

function of elastic

A

strength and flexibility

53
Q

location of elastic

A

external ear
epiglottis

54
Q

desription of fibrocartilage

A

resembles dense regular but has lacunae’s

55
Q

function of fibrocartilage

A

support and flexibility
in places under high stress

56
Q

location of fibrocartilage

A

intervertebral disks
knee joint

57
Q

function of simple squamous

A

rapid diffusion / filtration

58
Q

function of simple cuboidal / columnar

A

secretion / absorption

59
Q

function of stratified epithelia

A

protection / barrier

60
Q

function of connective tissue

A

binds, supports, and protects other tissues

61
Q

function of muscle tissue

A

movement

62
Q

function of nervous tissue

A

rapid communication / control

63
Q

apical

A

top layer of epithelia
exposed to external

64
Q

basal

A

bottom layer of epithelia

65
Q

goblet cells

A

produce mucin

66
Q

what is mucin

A

combines with water to form mucus

67
Q

cilia vs microvilli

A

cilia: microtubules
microvilli: extensions of membrane

68
Q

cilia function

A

sweep things across membrane

69
Q

microvilli function

A

increases surface area for absorption

70
Q

function of transitional epithelia

A

protection & stretching

71
Q

shape of transitional epithelia

A

round / pear shape when not stretched
squamous when stretched

72
Q

lamina propia

A

below basement membrane

73
Q

adipocytes

A

individual adipose cells
make up adipose tissue (NOT fibroblasts)

74
Q

signet ring

A

shape of adipose
triglycerides pushnucelus to side of ring
resembles simple squamous but less nuclei

Bio 105 (8 decks)

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