Chapter 20 Flashcards
(21 cards)
lymph
+extracellular fluid in the tissue; primarily water
+comes from capillaries to tissue and is drained
lymphatic vessel structure
take lymph toward heart; gets dumped back into venous system
right lymphatic duct
+collects lymph from upper right portion of body
+dumps into right brachiocephalic vein
thoracic duct
+collects lymph from the rest of the body
lacteals
lymphatic capillaries in intestines
lymph nodes
+principle lymphoid organ
+afferent lymphatic vessels bring lymph
+lymph gets filtered, pushed thru follicles
+lymph exits thru efferent lymphatics vessel
Peyer’s patches
groups of lymphocytes in the intestinal mucosa
appendix
tubular offshoot of large intestine; contains lymph follicles
tonsils
simplest lymphoid organ; drain mucous and saliva lymph
spleen
+largest lymphoid organ; filters blood
+contains lymphocyte follicles
lymphangitis
inflamed lymphatic vessels
lymphadenopathy
any disease of the lymph nodes
bubo
an infected, swollen node
lymphoma
+any neoplasm of lymphoid tissue
+Hodgkins and non-Hodgkins
Hodgkin’s disease
type of lymphoma; swollen, nontender nodes, high cure rate
elephantiasis
+lymphatics become inflamed due to infection by filarial worms
+lymph can’t return to circulatory system; localized edema
splenomegaly
enlarged spleen due to microbial infection
tonsillitis
inflamed tonsils due to microbial infection; tender and swollen
mastectomy
surgical removal of the breast tissue due to cancer
radical masectomy
removal of breast, underlying muscle, and axial nodes
modified radical masectomy
only breast tissue and nodes removed
