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21 fall: histology > Lab 1 Epithelium > Flashcards

Lab 1 Epithelium Flashcards

1
Q

simple squamous epithelium

A

thin, single layer of cells that have bulging nuclei

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2
Q

what type of epithelium surround the glomerulus (bowmann’s capsule)

where is this slide

A

simple squamous epithelium

flat nucleus bulging into white space

kidney cortex

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3
Q

what type of epithelium are here

A

thyroid gland
simple cuboidal epithelial
square cells, round nucleus in center of cell

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4
Q

what type of epithelium?

where is this

A

simple columnar epithelium

long cells, oval nucleus at bottom of cell

Gallbladder

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5
Q

finger like projections of jejunum

A

villus

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6
Q

apical border of simple columnar epithelium have ___ , increases ___

A

microvilli

surface area

small intestine

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7
Q

what are the little hairs at the surface?

What type of epithelium?

A

cilia- allow movement

pseudostratified columnar epithelium

(nucleus all jumbled but all reach basement membrane actually only one layer, all squished together)

trachea

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8
Q

what is this

what is the gland siting in the pseudostratified columnar epithelium

what are the little hairs on top of the cells

A

trachea

goblet cells: makes mucin- mucous

cilia- movement- traps things and moves them back up and out

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9
Q

what is this

what kind of epithelium

what is in the center of the lumen

what are the little hairs

A

epididymis

pseudostratified columnar epithelium

sperm

stereocilia (type of microvilli) increases surface area

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10
Q

stereocilia

A

type of microvilli that increases surface area

found on epididymis

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11
Q

hairs at border of epididymis

A

stereocilia

type of microvilli that increases surface area

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12
Q

where are we

what kind of epithelium

A

lumen on esophagus

stratified squamous epithelium

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13
Q

where are we

what type of epithelium

A

planum nasolabiale

Keratinized Stratified Squamous Epithelium

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14
Q

where are we?

what type of epithelium

A

teat sinus

bi-stratified cuboidal epithelium

milk can be stored

if lumen was lined by keratinized squamous epithelium this would be a teat canal instead (closer to surface)

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15
Q

what type of epithelium

A

stratified cuboidal

teat sinus

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16
Q

what type of epithelium

where are we

A

transitional

bladder

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17
Q

umbilical cord

A

lumen

endothelium

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18
Q

where are we?

What type of epithelium is 1?

what is 2?

A

thyroid gland

simple cuboidal epithelium

colloid

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19
Q

where are we

1?

2?

A

gallbladder

lumen

simple columnar epithelium

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20
Q

gallbladder

1?

2?

3?

A

1: lumen
2: microvilli: increase surface area
3. simple columnar epithelium

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21
Q

where are we

1?

2?

3?

A

jejunum (small intestine)

simple columnar epithelium

microvilli- increase surface area

goblet cells- produce mucous

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22
Q

where are we

1-4?

A

trachea

lumen

cilia (movement)

pseudostratified columnar epithelium

hyaline cartilage

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23
Q

trachea

1-3?

A

lumen

cilia (movement)

pseudostratified columnar epithelium

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24
Q

where

1 and 2?

A

epididymis

lumen with sperm

Pseudostratified columnar epithelium

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25
Q

epididymis

1-3?

A
  1. Lumen
  2. Stereocilia
  3. Pseudostratified columnar epithelium
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26
Q

where?

1-4?

A

canine esophagus

  1. Lumen
  2. Stratified squamous epithelium
  3. Dermis
  4. Glands
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27
Q

canine esophagus

A
  1. Lumen
  2. Stratified squamous epithelium
  3. Dermis
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28
Q

what?

A

rabbit esophagus

  1. Lumen
  2. Stratified squamous epithelium
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29
Q

rabbit esophagus

A
  1. Lumen
  2. Stratified squamous epithelium
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30
Q

what us this

A

canine lip

  1. Thin Skin
  2. Oromucosal membrane
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31
Q

canine lip

A
  1. Epithelium
  2. Dense irregular connective tissue
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32
Q

where

A

planum nasolabiale

  1. Epithelium
  2. Dermal papilla
33
Q

planum nasolabiale

A

intercellular bridge

34
Q

ureter

A
  1. Lumen
  2. Transitional epithelium
35
Q

where?

A

ureter

  1. Lumen
  2. Transitional epithelium
36
Q

where?

A

urinary bladder

  1. Lumen
  2. Transitional epithelium
37
Q

where?

A

urethra

  1. Lumen
  2. Transitional epithelium
38
Q

where

A

urachus

  1. Lumen
  2. Transitional epithelium
39
Q

where

A

mammary gland- teat sinus

  1. Lumen
  2. Bistratified cuboidal epithelium
40
Q

what

A

teat sinus

  1. Lumen
  2. Bistratified cuboidal epithelium
41
Q

what?

A

teat canal

  1. Lumen
  2. Stratified squamous epithelium
42
Q

where?

A

teat canal

  1. Lumen
  2. Stratified squamous epithelium
43
Q

the outer layer of Bowmann’s capsule of a renal corpuscle is called the ___. it is formed from ___

A

parietal layer

squamous cells

44
Q

bowmann’s capsule is found in the

A

kidney

45
Q

functionless remnant of part of the duct of the allantois

A

urachus

one of the 5 ducts of the umbilical cord

46
Q

label

A
47
Q

in general, the lumens of blood vessels and lymphatic vessels are lined by a single layer of flat cells called

A

endothelium

simple squamous

nucleus, flat and bulge into lumen

48
Q
A

thyroid and parathyroid

49
Q

what are thyroid follicles filled with

A

colloid (dark pink)

50
Q

what type of cells are at the border of thyroid follicles

A

simple cuboidal

51
Q

what kind of cells line the gallbladder and the jejunum (part of small intestine)

A

simple columnar

have microvilli at apical border to increase surface area

52
Q

what

A

gallbladder

lumen lined by simple columnar

have microvilli to increase surface area

53
Q

what can increase surface area

A

microvilli- border of intestine, and kidneys

sterocilia- border of epididymis

54
Q

fingerlike projections into the lumen that increase surface area

A

villi and stereocilia

55
Q

common places for pseudostratified columnar epithelium

A

trachea and epididymis

56
Q

little projections on pseudostratified
columnar of the trachea

A

cilia- movement, with help from goblet cells that produce mucous, will catch stuff and move up and out

57
Q
A

small intestine- jejunum

has microvilli simple columnar epithelium at border of lumen (increase surface area)

58
Q

jejunum

A

small intestine- jejunum

has microvilli simple columnar epithelium at border of lumen (increase surface area)

59
Q

what

A

trachea on top

ciliated pseudostratified columnar epithelium at borders, help move stuff out

esophagus on bottom

stratified squamous epithelium connected by intercellular bridges

60
Q

what

A

boar epididymis

61
Q

where

A

epididymis

sperm in center

pseudostratified columnar epithelium with
stereocilia

type of microvilli that increases surface area

62
Q

what holds stratified squamous epithelium together

A

intercellular bridges

These spine-like cytoplasmic processes (known as tonofilaments, which are a type of intermediate filament) anchor back to the desmosomes (not viewable) within the cell, helping to link the cells together

63
Q

Finger-like projections of pale, pink ___ (loose connective tissue) extend up to the epithelium of the skin.

A

papillae

64
Q
A

esophagus

65
Q

lip of dog

A

keratinized stratified squamous epithelium connected by intercellular bridges

66
Q

what

A

planum nasolabiale cow

67
Q

what kind of cells closest to the lumen

what is the long pink projection

A

the planum nasolabiale,

stratified squamous epithelium have lost their nuclei at surface where cells have become keratinized

papillae (loose connective tissue)

68
Q

special epithelium is layered, non-absorptive, stretchable, and found primarily in the urinary passages.

A

transitional epithelium

69
Q

transitional epithelium

The apical cells can be either ___ or ____ depending on the degree of distention of the lumen.

A

flat or ballon shaped

When the lumen is full (i.e., with urine), the epithelium stretches and distends, causing the cells to flatten. When the lumen is empty, the cells become more cuboidal or balloon-shaped.

70
Q

top cells are flat therefore the lumen is ___

A

full of urine

transitional cells of ureters of horse

71
Q
A

urinary bladder

transitional epithelium

72
Q

what kind of epithelium

A

bistratified cuboidal epithelium

mammary gland

73
Q

what

A

mammary gland

bistratified cuboidal epithelium

74
Q
A

teat sinus

bistratified columnar to bistratified cuboidal

75
Q

teat sinus

A

bistratified columnar to bistratified cuboidal

76
Q
A

teat canal

stratified squamous epithelium.

77
Q
A

teat canal

stratified squamous epithelium.

78
Q

mammary gland leads to teat ___ leads to ___ which leads to the outside

A

sinus (bistratified cudoidal/columnar epithelium)

canal (stratified squamous epithelium)

21 fall: histology (36 decks)

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