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A&P I Exam 1 > Ch 5: Epithelium Tissues and Glandular Epithelium > Flashcards

Ch 5: Epithelium Tissues and Glandular Epithelium Flashcards

1
Q

Epithelial Tissue

A

all epithelial tissue is avascular; cells too close together for blood vessels to pass
through; diffusion of nutrients and wastes can pass through

cells rest on a basement membrane

classified by number of layers and shape of cells

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2
Q

how many layers does a simple epithelial tissue have

A

1

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3
Q

how many layers is pseudo stratified

A

one layer that looks like multiple layers

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4
Q

what do the squamous layers look like

A

flat layers

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5
Q

cuboidal

A

cube

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6
Q

columnar

A

column

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7
Q

what is the structure of simple squamous

A

one layer of flat cells

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8
Q

what is the structure of simple cuboidal

A

one layer of cube cells

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9
Q

what is the structure of simple columnar

A

one layer of column cells

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10
Q

what is the structure of stratified squamous

A

many layers of flat cells; basal layer touches basement membrane

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11
Q

what is the structure of stratified cuboidal

A

many layers of cube cells; basal layer touches basement membrane;

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12
Q

what is the structure of transitional

A

many layers of cube cells that stretch and recoil; basal layer
touches the basement membrane;

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13
Q

what is the structure of stratified columnar

A

many layers of column cells

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14
Q

what is the structure of pseudostratified columnar

A

one layer of column cells that look like many

layers; all cells touch basement membrane;

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15
Q

glandular epithelium

A

(Exocrine Glands); classified by shape; duct system; type of secretion; and mechanism of secretion

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16
Q

tubular

A

elongated

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17
Q

acinar

A

round/grape like

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18
Q

alveolar

A

round

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19
Q

simple duct system

A

unbranched

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20
Q

compound duct system

A

branched

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21
Q

serous secretion

A

watery

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22
Q

mucous secretion

A

mucous

23
Q

mixed secretion

A

both serous and mucous

24
Q

holocrine

A

whole cell destruction; sebaceous/oil gland

25
Q

apocrine

A

apical/top of cell destruction; goblet cell

26
Q

merocrine

A

no cell destruction; pancreatic cell

27
Q

simple tubular

A

sweat gland

28
Q

compound acinar

A

mammary gland

29
Q

compound tubuloacinar

A

pancreas

30
Q

what is the structure of desmosome

A

some extracellular space, with areas of dense fibers

31
Q

what is the structure of tight junction

A

cell membranes come very close together;

32
Q

what is the structure of gap junction

A

consists of 1.5nm diameter channels that link the cytosol of adjacent cells;

33
Q

what is the function of simple squamous

A

simple diffusion

34
Q

where is simple squamous located

A

blood vessels

Alveoli of lungs

35
Q

what is the function of simple cuboidal

A

storage and secretion

36
Q

where is simple cuboidal located

A

kidney tubules;
Glandular tissue;
surface of ovary

37
Q

what is the function of simple columnar

A

storage and secretion;

absorption

38
Q

where is simple columnar located

A

villi small intestine; gallbladder

39
Q

what is the function of stratified squamous

A

protection

40
Q

where is stratified squamous located

A

epidermis (skin); cornea (eye)

41
Q

what is the function of stratified cuboidal

A

storage and secretion

42
Q

where is stratified cuboidal located

A

glandular tissue

43
Q

what is the function of transitional

A

storage and secretion

44
Q

where is transitional located

A

urinary bladder

45
Q

what is the function of stratified columnar

A

; storage and secretion;

46
Q

where is stratified columnar located

A

digestive tract; male urethra

47
Q

what is the function of pseudo stratified columnar

A

contains cilia (filter) and goblet cells(secrete mucous to trap particles); also known as the mucous membrane;

48
Q

where is pseudo stratified columnar located

A

trachea; respiratory tract

49
Q

what is the function of desmosome

A

; allow for some exchange between cells;

50
Q

where is desmosome located

A

stratified squamous epithelium; epidermis of skin

51
Q

what is the function of tight junction

A

no exchange between cells;

52
Q

where is tight junction located

A

transitional epithelium; urinary bladder

53
Q

what is the function of gap junction

A

much exchange between cells

54
Q

where is gap junction located

A

simple columnar epithelium; villi of small intestine (absorption).

A&P I Exam 1 (7 decks)

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