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Histology > Lymphoid images > Flashcards

Lymphoid images Flashcards

1
Q
A

small-medium lymphocyte

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2
Q
A

reticular fibers and cells

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3
Q
A

loose and dense lymphoid tissue

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4
Q
A

Nodular
lymphoid tissue

Primary nodule
(unstimulated)

consist mostly of
B
lymphocytes

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5
Q
A

secondary lymphatic nodules in a lymph node

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6
Q
A

gc:
germinal
center in secondayr lymph node

contains
numerous
activated B
lymphocytes

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7
Q

red squares

A

mantle around germinal centers

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8
Q

red box is ____ in periphery of lymph node

A

subcapsular
sinus

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9
Q

what is one and two in the thymus?

A
  1. cortex and the 2. medulla
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10
Q

6 around a lymph node

A

capsule

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11
Q

what is 7

A

subscapular sinus

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12
Q
A

capsule

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13
Q

_____ tissue in medulla

A

LOOSE LYMPHOID

MEDULLARY SINUS

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14
Q

___ tissue

A

DENSE TISSUE

medullary cord

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15
Q
A

High Endothelial Venules

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16
Q

arrows

A

lympohocytes

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17
Q

arrow HEADS

A

high endothelial cells

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18
Q
A

High endothelial (post-capillary) venule

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19
Q
A

High endothelial (post-capillary) venule

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20
Q

red arrow

Thymus of an
infant

A

trabeculae

white arrow - cortex

green arrow - medulla

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21
Q

black arrow

A

lobule

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22
Q

cortex of fetal thymus

A

epithelial reticular cells

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23
Q

cortex of thymus

A

epithelial reticular cells

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24
Q
A

Hassals corpsulces

present in MEDULLA of thymus

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25
Q
A

Hassals corpsulces

present in MEDULLA of thymus

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26
Q
A

Hassals corpsulces

present in MEDULLA of thymus

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27
Q
A

Hassals corpsulces

present in MEDULLA of thymus

28
Q
A

both are Hassals corpsulces

present in MEDULLA of thymus

but BOTTOM IS KERATINIZED

29
Q
A

Hassals corpsulces

present in MEDULLA of thymus

30
Q
A

Hassals corpsulces

present in MEDULLA of thymus

31
Q
A

Mesenchymal
reticular cells

32
Q

WHAT ARE IS HERE?

A

Cortex
mostly
thymocytes
production
selection
apoptosis

33
Q

what is the predominant cell type?

A

Medulla
mostly
epithelial
reticular cells

34
Q
A

red pulp

35
Q

perfused spleen

A
36
Q

cells indicated by the red

A

red pulp

37
Q
A

trabeculum

38
Q

cells indicated by white

A

white pulp

39
Q
A

trabeculaum

40
Q
A

white pulp

41
Q
A

spenic sinus in red pulp

42
Q

red pulp

top arrows

A

splenic cords

43
Q
A

central artery

44
Q

what is three?

A

marginal zone of the follicle

between
white & red
pulp
most
arterial blood runs
through MZ

45
Q

tonsil

A

epithelium of tonsil

46
Q
A

lymphoid tissue

47
Q

tonsil

A

crypt

48
Q

the capsule is made of ___ tissue

A

DENSE IRREGULAR

49
Q

the subscapular sinus is made of

A

LOOSE REGULAR TISSUE

50
Q

top arrows

A

afferenty lymph vessel and valve

51
Q

what type of lymph node is this?

A

secondary lymph node because of germinal center?

52
Q

is this a secondary lymph center?

A

no, doesn’t have germinal center

53
Q

what is the layer of small lymphocyte surrounding the germinal center called?

A

mantle layer

54
Q

what type of lymph tissue is the MEDULLARY SINUS made of?

A

loose lymphoid tissue

55
Q

medulla of the lymph node

arrows

A

lymphocytes

56
Q

medulla of the lymph node

arrow head

A

reticular cells

57
Q

what organ is thius??

A

lymph node

58
Q

what oirgan is this?

A

spleen

59
Q

what organ is this?

A

spleen

60
Q

what organ is this?

A

spleen

61
Q

what organ is this?

A

spleen

62
Q

what organ is this?

A

fetal thymus

63
Q

what organ is this?

A

adult thymus

64
Q

what organ is this?

A

palatine tonsil

65
Q

what organ is this?

A

palatine tonsil

66
Q

what organ is this?

A

lingual tonsil

67
Q
A

Histology (10 decks)

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