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HIstology > Epithelium > Flashcards

Epithelium Flashcards

1
Q

What type of epithelium is this?

what is the top line pointing too?

What is the secound line pointing too?

A

Simple Epithelium

Red blood cells in the lumen

Flat nucleus of endothelial cell

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2
Q

Epithelia are achored to the ….

A

Basal Lamina

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3
Q

Types of Basic Tissues

A

Epithelium

Connective :Adipose, cartilage, bone, hematopoietic

Muscle

Nervous

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4
Q

Epithelia are derived from …

A

Ectoderm, mesoderm and endodern

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5
Q

What type of epithelium is this?

A

Simple Cuboidal

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6
Q

What type of Epithelium is this?

What is the first line

secound line

Third line

Fourth line

A

Simple Columnar

Brushborder

Goblet Cel

Lamina propria

Simple columnar epithelium

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7
Q

What type of epithelium is this?

First Line..

Secound Line…

A

Stratified squamous with moderate keratin

Nonkeratinized!

Nuceli (outermost cells)

Basal Lamina

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8
Q

What type of epithelium is this?

First line: nuclei are not seen on outermost cells

Secound line:…?

A

Stratified quamous with abundant keratin

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9
Q

What type of epithelium is this?

Line 1

Line 2

Line 3

A

Pseudostratified columnar cilliated epithelium

Goblet Cell

Columnar ciliated Cell

Basal Cell

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10
Q

What type of Epithelium is this?

Line 1

Line 2

Line 3

Line 4

A

Pseduostratified columnar epithelium with sterocillia

clump of sterocillia

basal cell

columnar cell w/ sterocillia

sperm

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11
Q

What type of Epithelium is this?

from left to right

Line 1

Line 2

Line 3/4

A

Urothelium

Basal Cell

Dome shaped columnar cell

Plaques

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12
Q

BBSome protiens…

A

help load protien cargo to the ciliary axonme

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13
Q

What parts of the apical domain do these consist of?

A

Well the answers are there

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14
Q

What type of apical differentiion is this?

A

Actin filament core of Microvillus

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15
Q

What type of apical differentiation is this?

A

Sterocillia (note the branching)

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16
Q

What are the two major domains?

A

Apical and Basolateral

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17
Q

What are the three apical differentiations?

A

Cila

Microvilli

Sterocillia

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18
Q

What has a 9+2 mcitorubular arrangment?

A

Cilia (motile)

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19
Q

What has a 9+0 microtubular arrangment

A

Basal Bodies

central mictroubule not found

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20
Q

Epithelium has what embrological derivation?

A

Ecotderm

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21
Q

Mesoderm derives what type of epithelia?

A

Endothelium and Mesothelium

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22
Q

The Feulgen Reaction is specific for…

A

DNA

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23
Q

Glycoprotiens and Carbohydrates can be identified with what reaction?

A

The periodic acid-schiff reaction

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24
Q

Basmentmembrane is stained positive by which one : the Feulgen or Pas reaction?

25
Q

Basophillia

A

Binding of a postively charged dye( bases postive) to negatively charged moiety

Nucleic Acid in Nucleus and cytoplasm

26
Q

Toluidine Blue

A

Basic Dye

(DNA and RNA)

27
Q

To identify RNA containing sites..

A

Pretreatment with DNA-ase followed by touluidine blue

28
Q

To identify DNA containing sites

A

pretreatment with RNA-ase followed by toluidine blue

29
Q

RNA and DNA are….

Acidophillic? Basophilic?

A

Basophillic

30
Q

Acidophillia

A

Binding of a negatively charged dye to a postively charged moiety (basic protiens)

31
Q

Eosin

A

Acidic Dye

32
Q

What type of fixation is for light microscropy?

A

parformaldehye

33
Q

what type of embedding is used for light microscropy

A

Parraffin

or glycol methacrylate

34
Q

Does light microscropy used mictrotome or ultramictrotome?

A

Microtome( stainless steel)

glass plate

ultramictrotome is for elctron microscopy (glass/diamond) with a copper plate

35
Q

What type of staining is used for electron microscopy?

A

Heavy metals

36
Q

What type of staining is for light microscopes?

A

hematoxylin

37
Q

What type of epithelium lines the small intestine?

A

Simple Columnar

38
Q

What type of epithelium lines the Kidney nephrons and the throid follicles?

A

Simple Cuboidal

39
Q

What type of epithelium lines the esophageous?

A

Moderate (non-keratinized) Stratified Squamous Epithelium

40
Q

What type of epithelium lines the epidermis?

A

Abundant ( Keratinized ) Stratified Squamous epithelium

41
Q

What type of epithelium lines hte trachea?

A

Pseudostratified ciliated

42
Q

What type of epithelium lines the epidymis?

A

psuedostratified columnar with stereocillia

43
Q

What type of epithelia lines the urniary tract?

A

transitional epithelium

44
Q

What type of epithelia lines the small intestine?

A

simple columnar

45
Q

Microvilli is made out of?

A

Actin (non-motile)

46
Q

Microvilli formes the brushborder of ….

A

the small intestine

47
Q

Microvilli absorbs…

A

protiens sugar and lipids whicha re released at the basolateral domain into blood

48
Q

Goblet Cells are located in the

A

respiratory and intestinal tract

49
Q

What is the most frequently found type of epithelia?

A

Stratified squamous

50
Q

Carcinoma

A

tumors with keratin..epithelial derived

51
Q

Sarcoma

A

Tumor with connective Tissue

52
Q

cilia grow out from…

A

Basal bodies

53
Q

Principal cells are seen in what type of epithelia?

A

Psuedostratified sterocillia

54
Q

The endoderm gives rise to epithelia in what area?

A

alimentary tube (digest tract)

55
Q

The ectoderm gives rise to..

A

the Epidermis

56
Q

The basolateral domain

A

anchors epithelial cells to one another

57
Q

The fuelgen reaction is specfic for

58
Q

The PAS reaction is specific for

A

glycoprotiens and carbohydrates

HIstology (17 decks)

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