Lymphoid images Flashcards by Brittany Gouse

Q

A

small-medium lymphocyte

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Q

A

reticular fibers and cells

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Q

A

loose and dense lymphoid tissue

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Q

A

Nodular
lymphoid tissue

Primary nodule
(unstimulated)

consist mostly of
B
lymphocytes

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Q

A

secondary lymphatic nodules in a lymph node

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Q

A

gc:
germinal
center in secondayr lymph node

contains
numerous
activated B
lymphocytes

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Q

red squares

A

mantle around germinal centers

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Q

red box is ____ in periphery of lymph node

A

subcapsular
sinus

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Q

what is one and two in the thymus?

A

cortex and the 2. medulla

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Q

6 around a lymph node

A

capsule

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Q

what is 7

A

subscapular sinus

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Q

A

capsule

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Q

_____ tissue in medulla

A

LOOSE LYMPHOID

MEDULLARY SINUS

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Q

___ tissue

A

DENSE TISSUE

medullary cord

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Q

A

High Endothelial Venules

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Q

arrows

A

lympohocytes

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Q

arrow HEADS

A

high endothelial cells

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Q

A

High endothelial (post-capillary) venule

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Q

A

High endothelial (post-capillary) venule

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Q

red arrow

Thymus of an
infant

A

trabeculae

white arrow - cortex

green arrow - medulla

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Q

black arrow

A

lobule

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Q

cortex of fetal thymus

A

epithelial reticular cells

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Q

cortex of thymus

A

epithelial reticular cells

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Q

A

Hassals corpsulces

present in MEDULLA of thymus

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Hassals corpsulces present in MEDULLA of thymus

Hassals corpsulces present in MEDULLA of thymus

Hassals corpsulces present in MEDULLA of thymus

both are Hassals corpsulces ## Footnote present in MEDULLA of thymus but BOTTOM IS KERATINIZED

Hassals corpsulces present in MEDULLA of thymus

Hassals corpsulces present in MEDULLA of thymus

Mesenchymal reticular cells

WHAT ARE IS HERE?

**Cortex** mostly thymocytes production selection apoptosis

what is the predominant cell type?

Medulla mostly epithelial reticular cells

red pulp

perfused spleen

cells indicated by the red

red pulp

trabeculum

cells indicated by white

white pulp

trabeculaum

white pulp

spenic sinus in red pulp

red pulp top arrows

splenic cords

central artery

what is three?

marginal zone of the follicle between white & red pulp most arterial blood runs through MZ

tonsil

epithelium of tonsil

lymphoid tissue

tonsil

crypt

the capsule is made of ___ tissue

DENSE IRREGULAR

the subscapular sinus is made of

LOOSE REGULAR TISSUE

top arrows

afferenty lymph vessel and valve

what type of lymph node is this?

secondary lymph node because of germinal center?

is this a secondary lymph center?

no, doesn't have germinal center

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

mantle layer

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

loose lymphoid tissue

medulla of the lymph node arrows

lymphocytes

medulla of the lymph node arrow head

reticular cells

what organ is thius??

lymph node

what oirgan is this?

spleen

what organ is this?

spleen

what organ is this?

spleen

what organ is this?

spleen

what organ is this?

fetal thymus

what organ is this?

adult thymus

what organ is this?

palatine tonsil

what organ is this?

palatine tonsil

what organ is this?

lingual tonsil