Functions: transportation of tissue fluid (lymph) to the cardiovascular system, and immunity

consists of lymphatic vessel system, lymphatic tissue, lymph nodes, spleen, tonsils, and thymus

right lymphatic duct

present in some but not all individuals

drains lymph from the right upper extremity, head, and thorax, delivered by the jugular, subclavian, and bronchomediastinal trunks

empties lymph into venous circulation at the junction of the internal jugular vein and the subclavian vein

receives lymph from the rest of the body

empties lymph into venous circulation at the junction of the internal jugular vein and the subclavian vein 

bean shaped

filters lymph

cluster along lymphatic vessels of the body 

contain macrophages

lumbar trunk

(lymphatics)

receives lymph from lower limbs, pelvis, kidneys, and suprarenal glands

empty into cisterna chyli

memory

specificity

ability to differentiate self from non-self

a dark red organ curving around the left lateral side of the stomach

part of the lymphatic system

often called red blood cell graveyard

located in left upper quadrant of abdomen

encloses nodes (fibrous)

internal portion of the gland

cells are arranged in cordlike fashion

bring lymph into the node

enter at all parts of periphery of the lymph node, open into lymph sinuses

found only in lymph nodes!

bring lymph out of the lymph node, exit at the hilum

commences from the lymph sinuses of the medullary portion of the lymph nodes and leave the lymph nodes either to veins or greater nodes

also found in thymus and spleen!

spleen slide

tip pink layer is the capsule