Histology Flashcards

1
Q

Right order of stratum keratinized

A

basale

spinosum

granulosun

lucidum

corneum

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2
Q

What is hematoxylene?

A

basic dye

so will dye acidic structures bcs they are basophilic-they love basic

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3
Q

Verhoff elastic stain stains collagen in _____ and nuclei+elastic fibers in ______

A

red

black

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4
Q

Silver stain is for:

A

Reticular fibers

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5
Q

Content of stratum granulosum?

A

basophilic proteins- keratohyalin

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6
Q

Layers of non-keratanyzed epithelium

A

Baslae

spinosum

planocellular

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7
Q

What are goblet cells?

A

Modified columnar cells

synthesize and secrete mucus

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8
Q

Why serous are very dark?

A

A lot of rER

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9
Q

Example of holoceine secretion?

A

sebaceous glands

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10
Q

CT cells examples

A

fibroblasts

adipocytes

mast cells

macrophages

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11
Q

What type of collagen is reticular fibers?

A

III

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12
Q
A

1-macrophage

2-neutrophils

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13
Q

What are plasma cells?

A

Matured B cells

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14
Q

What dye is used for mast cells?

A
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15
Q

Cartilage is collagen type ___

A

II

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16
Q

?

A

hyaline cartilge

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17
Q

?

where can we find it?

A

Elastic cartilage

outer ear, eustacian tube, epiglottis

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18
Q

where can we find Fibrocartilage?

A

in the intervertebral disc, menisci

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19
Q

Difference btw the different cartilage

A
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20
Q
A

Thyroid gland

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21
Q
A

Parathyroid glands

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22
Q
A

Mammary glands lactating

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23
Q
A

1= Haversian canal

2= Volkman’s canal

3= Osteocytes Lacuna

4= Interstitial Lamellae

5= Osteon

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24
Q

Describe Intramembranous ossification

A

Direct ossification ofof embryonic CT. Takes place in the membrane bones of the skall

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25
Q

Describe Endochondral ossification

A

Formed by replacement of hyaline cartilage

Bones of trunk and extremities

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26
Q

What are the zones of Endochondral ossification?

A
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27
Q

1,2,3

A

1= Haversian canal

2= Lamellae

3= Lacuna

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28
Q

🦴 2 types of Lamellae

A

Interstitial

Concernic

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29
Q
A

1= Neutrophils

2= Lymphocytes

3= Eosinophils

4= Monocytes

5= Basophils

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30
Q

?

A

Gall bladder

lefr is fundus right is cervix

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31
Q

Special fiture of the gallbladder

A

It doesnt have submucosa

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32
Q

What is it and what is the name of the visible muscle?

name the colors and the corresponding tissue

A

Lip

orbicularis oris

Blue-collagen

red-elastic fibers, muscle

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33
Q
A
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34
Q
A
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35
Q
A
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36
Q
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37
Q
A
38
Q
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39
Q
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40
Q
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41
Q
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42
Q
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43
Q
A
44
Q
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45
Q
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46
Q
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47
Q
A
48
Q
A
49
Q

layers of the cerebellar cortex

A

out->in

molecular

purkinje

granular

50
Q

molecular layer of cerebellum contains

A

inhibitory- stellate cells, basket cells

dendritic trees of purkinje cells

parallel fibers from granule cells

51
Q

purkinje layer of cerebellum contains

A

cell bodies of purkinje cells and bergman glial cells

lugaro cells underneath purkinje layer

52
Q

granular layer of cerebellum contains

A

granule cells

golgi cells

unipolar brush cells

lugaro cells

53
Q

cerebellar glomurulus structure

A
54
Q

what is vasa vasarum?

A

blood vessels aupplying the ARTERY ITSELF

55
Q

structure of Hassal body?

A

center is keratanized

around- reticular cells

56
Q

framework of the thymus is

A

epithilial reticulum=cytoreticulum

57
Q

cortex of the thymus is more basophilic bcs it contains

A

densley packed small thymocytes

58
Q

in the lingual palatin, the crypts are very ___

A

shallow

59
Q

is there a capsule around the lingual palatine?

A

no

60
Q

what is the epithelium of the pharyngeal tonsils?

A

pseudostratified ciliated columnar with goblet cells

61
Q

framework of lymph nodes is made from

A

reticular CT

62
Q

white pulp in the spleen corresponds to

A

Lymphocytes rich area

63
Q

white pulp can be devided into 3

A
  1. PALS
  2. splenic nodule
  3. marginal zone
64
Q

PALS region is rich with __ cells

A

T

65
Q

3 cells of the impalse conducting system in the heart

A

P cells

Transitional cells

Purkinje cells

66
Q

taste buds contain 3 types of cells

A

chemosensory

supporting

basal

67
Q

where does the Von Ebner glands present?

A

circumvallata pappilae

68
Q

saliva drains into ____

which is lined with ____

and then drains to _____

A

intercalated ducts

low cuboidal cells

striated

69
Q

striated ducts drains into

A

interlobular ducts

70
Q

GI mucosa consists of 3 layers

A

epithelium

lamina propria

muscularis mucosa

71
Q

in the sub mucosa of GI tract we can find _____ plexus

A

Meissner’s

72
Q

only place in the GI tract with SSSNK epithelium?

A

esophagus

73
Q

what are the glands in the mucose of the stomach, fundus?

A

gastric glands contining-

cheif cells

parietal cells

mucous cells

stem cells

enteroendocrine cells

74
Q

chief cells action

A

secrete pepsinogen and gastric lipase

75
Q

parietal cells action?

A

secrete HCL and intrinsic factors

76
Q

main difference in identifing parietal ans chief cells?

A

chief- strong basophilic

parietal- strong acidophilic (pale)

77
Q

Meissner’s plexus location in the layers

A

in the submucose

78
Q

layers of muscle in the muscularis externa of the stomach?

A

inner oblique

middle circular

outer longitudinal

79
Q

name of the folds in the small intestine

A

folds of Kerckring

80
Q

where can we find Brunner’s gland?

A

in the submucosa of the duodenum

81
Q

typical component of the lamina propria in the duodenum?

A

crypts of Lieberkuhn

82
Q

what does Brunner glands secrete?

A

Bicarbonate and alkaline glycoprotein

83
Q

what are plicae circulares of Kerckring?

A

submucosal folds in the D,J,I

84
Q

what are Paneth cells?

location?

A

exocrine serous glandular cells

D,J,I,colon

85
Q

name of the plexus in the muscularis externa?

A

Auberbach Myenteric Plexus

86
Q

in what layer can we find Payer’s patches?

A

lamina propria

submucosa

87
Q

where is the highes amount of Payer’s patches?

A

Ileum

88
Q

special featues of the Gallbladder?

A

no muscularis mucosa

no submucosa

89
Q

hepatic Triad consist of

A

hepatic A

portal V

bile Duct

90
Q

what are Kupfer cells?

A

hepatic Macrophages

91
Q
A