chapter 21: lymphatic system Flashcards
there are __ lymphatic trunks (__ paired and __ single) and __ ducts
5; 4; 1; 2
what are the 5 lymphatic trunks?
jugular, subclavian, bronchomediastinal, lumbar, intestinal (single)
what are the 2 lymphatic ducts?
right lymphatic duct and thoracic duct
the right lymphatic duct drains the:
right upper limb, right side of the face and neck, and the right side of the thorax
lymph flows through the _______ vessel of a lymph node, through the lymph node _______, and out the ________ vessel. as lymph passes through the cononary sinus, ________ remove foreign debris from it by __________.
afferent; sinuses; efferent; macrophages; phagocytosis
what is the path of lymph?
capillaries > afferent vessel > lymph node > efferent vessel > trunk > duct
what are the 3 types of lymph nodes?
cervical, axillary, inguinal
what are the functions of lymph nodes?
filter lymph and remove unwanted substances
what are the 3 sections of the cortex in a lymph node? what is in each of them?
germinal center: houses b-cells and macrophages
mantle zone: contains t-cells, marcophages, and dendritic cells
coronary sinus: lymph flows through and is lined w macrophages
the medulla contains a medullary ________ that lymph flows through, and medullary ______ that support t-cells, b-cells, and __________
sinus; cord; macrophages
the _______ is the largest lymphoid organ, and is located in the _____, inferior to the __________, between the ___ and ___ ribs
spleen; LUQ; diaphragm; 9th; 11th
the spleen is composed of:
red and white pulp
what is the function of the spleen?
filters blood, phagocytosis of bacteria and foreign materials and old erythrocytes and platelets, and storage of RBC and platelets
_____ pulp has in immune function, containing _______ and _________ clutered around a central arterty
white; lymphocytes (t-cells and b-cells); macrophages
red pulp has a cleaning function. housed withing the splenic cords (reticular CT) are:
RBCs, platelets, macrophages, and b-cells
