Quiz 2 Lymphoid System Flashcards
Edema
Excess of interstitial fluid, manifest as swelling
Lymphatic plexuses
Networks of lymphatic capillaries that originate blindly in the extracellular (intercellular) spaces of most tissues.
Lymphatic vessels
A nearly bodywide net- work of thin-walled vessels that have abundant lymphatic valves.
Lymph
The tissue fluid that enters lymph capillaries and is conveyed by lymphatic vessels. Usually clear, watery, and slightly yellow is similar in composition to blood plasma.
Lymph nodes
Small masses of lymphatic tissue located along the course of lymphatic vessels through which lymph is filtered on its way to the venous system
Lymphocytes
Circulating cells of the immune system that react against foreign materials.
Lymphoid organs
Parts of the body that produce lymphocytes, such as the thymus, red bone marrow, spleen, tonsils, and the solitary and aggregated lymphoid nodules in the walls of the alimentary tract and appendix.