Ch 5: Epithelium Tissues and Glandular Epithelium Flashcards

(54 cards)

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

23
Q

mixed secretion

A

both serous and mucous

24
Q

holocrine

A

whole cell destruction; sebaceous/oil gland

25
apocrine
apical/top of cell destruction; goblet cell
26
merocrine
no cell destruction; pancreatic cell
27
simple tubular
sweat gland
28
compound acinar
mammary gland
29
compound tubuloacinar
pancreas
30
what is the structure of desmosome
some extracellular space, with areas of dense fibers
31
what is the structure of tight junction
cell membranes come very close together;
32
what is the structure of gap junction
consists of 1.5nm diameter channels that link the cytosol of adjacent cells;
33
what is the function of simple squamous
simple diffusion
34
where is simple squamous located
blood vessels | Alveoli of lungs
35
what is the function of simple cuboidal
storage and secretion
36
where is simple cuboidal located
kidney tubules; Glandular tissue; surface of ovary
37
what is the function of simple columnar
storage and secretion; | absorption
38
where is simple columnar located
villi small intestine; gallbladder
39
what is the function of stratified squamous
protection
40
where is stratified squamous located
epidermis (skin); cornea (eye)
41
what is the function of stratified cuboidal
storage and secretion
42
where is stratified cuboidal located
glandular tissue
43
what is the function of transitional
storage and secretion
44
where is transitional located
urinary bladder
45
what is the function of stratified columnar
; storage and secretion;
46
where is stratified columnar located
digestive tract; male urethra
47
what is the function of pseudo stratified columnar
contains cilia (filter) and goblet cells(secrete mucous to trap particles); also known as the mucous membrane;
48
where is pseudo stratified columnar located
trachea; respiratory tract
49
what is the function of desmosome
; allow for some exchange between cells;
50
where is desmosome located
stratified squamous epithelium; epidermis of skin
51
what is the function of tight junction
no exchange between cells;
52
where is tight junction located
transitional epithelium; urinary bladder
53
what is the function of gap junction
much exchange between cells
54
where is gap junction located
simple columnar epithelium; villi of small intestine (absorption).