Thymus and Lymph Nodes, spleen, lymphatic nodules

Thymus

A two-lobed organ, Contains large numbers of T cells and macrophages

Lymph Nodes

Located at intervals along lymphatic vessels,

B cells and T cells

Lymph nodes are masses of ____ surrounded by a capsule

Lymph nodes

Lymph flows through ___ where foreign substances are filtered and destroyed

B cells, T cells, and macrophages.

Lymph nodes contain

Afferent vessels

bring lymph into nodes

Efferent vessels

allow lymph to exit

Spleen

largest lymphatic organ, located between the stomach and diaphragm.

White Pulp

Contains lymphatic tissue where immune responses take place

Red Pulp

Removes worn-out blood cells and platelets and stores platelets

Lymphatic Nodules

Egg-shaped masses of lymphatic tissue
Not surrounded by a capsule
Located in mucous membranes lining the GI, urinary, reproductive, and respiratory tracts