Images of the immune system Flashcards

Bl = plasma cells, note negative halo RD = lymphocytes

Thymus

Connective tissue capsule of thymus.

Connective tissue capsule of thymus ii

Trabeculae of thymus

Trabeculae of thymus

Thymic lobule

Bk - cortex BL - medulla RD - Thymic corpuscles

Thymus Bk- cortex Bl - medulla.

Cortex of thymus

Medulla of thymus

Outlining of thymic corpuscles located in the medulla of the thymus

Thymic Medulla Bk- epithelioreticular cells Bl - T cells

1- Capsule 2 - trabeculae 3 - splenic nodule 4 - trabecular vein 5 - red pulp.

Spleen A - capsule, OG - red pulp Bl - white pulp YW - Trabeculae

Bk - capsule bx - red pulp

Spleen A - Red pulp YW - white pulp BK - trabeculae.

Spleen White pulp YW - splenic nodule Bl - PALS ( PeriArteriolar Lymphoid Sheath)

A - T Cells B - B Cells Bl - splenic nodule BK - PALS

Lymph Node

Lymph Node A - cortex B - medulla PP - lymphoid follicles Bk- capsule

Lymph Node PP - capsule BK - Trabeculae.

BK - Lymphoid Follicle Bl - paracortex A - Cortex B - Medulla.

Lymph Node A - Cortex bk - Lymphatic nodule

1 - germinal center 2 - mantle zone bk - lymphoid follicle bl - trabeculae

Lymph node medulla

Lymph node medulla

Peyer’s patch intestines

Lymphoid follicle.

Lymphoid follicle YW - lymphocytes Bl - macrophages

Tonsils

Lymphoid Follicles

Lymphoid Follicles

Lymphocytes ; of lymphoid follicle

Lymphoid follicle

Germinal Center Lymph node

Germinal Center of lymph node bk - B cell

Plasma cells located in duodenum

T Cell - Thymus

Thymus A) Cortex B) Thymic corpuscle C) Medulla

Thymic medualla RD - Thymic Corpuscle BK - Epithelioreticular cells YW - T cells

Spleen

Spleen BK - Trabeculae BL - Capsule

Spleen YW - PALS BK - Central Arteriole

Splenic Corpuscle.

Splenic Corpuscle

Purple - lymphoid follicles Bk - capsule A - cortex B - paracortex C- medulla

B cells of Tonsils

Lymphoid Follicle YW - lymphocytes Bk - macrophages

Soft Palate

Soft Palate

Soft palate RD - lymphocytes

Soft palate lymphoid follicle

YW - Lymphocytes Bl - macrophage Bk - neutrophil