lymphatic system Flashcards
medulla
the middle area of an organ
lymphadenitis
inflammation of a lymph node
chyle
the milky, fatty fluid that drains into the lymphatic system from the small intestine
tonsils
masses of lymphoid tissue that filter impurities from tissue fluid, found near throat
cortex
the outer area of an organ
endothelium
the one cell layer of tissue that makes up lymphatic capillary walls
reticuloendothelial
macrophages scattered throughout the body make up this system
thymus
a lymphoid organ cranial to the heart, important in immunity, produces thymosin, shrinks after puberty
adenoid
pharyngeal tonsil located in rear of pharynx behind nose
lingual
the tonsil found at the back of the tongue, rarely removed
lymphoma
tumor of the lymphoid tissue
Hodgkin’s disease
type of lymphoma
infectious mononucleosis
viral infection that affects cervical lymph nodes, common in teens
lymphangitis
inflammation of lymphatic vessels
lymph
fluid carried in lymph system
lacteals
small mass of lymphoid tissue along path of lymphatic vessels that filter lymph
thymosin
hormone produces by thymus, processes lymphocytes
palatine
tonsils located on either side of the soft palate, seen in the mouth, usually the tonsils that are removed
lymph node
small mass of lymphoid tissue along path of vessels that filters lymph
spleen
large lymphoid organ that filters blood
valve
in lymphatic vessels to prevent backflow of lymph