释义 |
DictionarySeesinuslymph sinus
lymph sinus[′limf ‚sī·nəs] (anatomy) One of the tracts of diffuse lymphatic tissue between the cords and nodules, and between the septa and capsule of a lymph node. lymph sinus
lym·phat·ic si·nusthe channels in a lymph node crossed by a reticulum of cells and fibers and bounded by littoral cells; there are subcapsular, trabecular, and medullary sinuses. Synonym(s): lymph sinuslymph sinusEndothelia-lined channels through which lymph flows inside lymph nodes. The walls of lymph sinuses are coated with T and B lymphocytes as well as phagocytic cells, all of which filter the passing lymph. Lymphocytes and macrophages move in and out of the lymph through the sinus walls. Synonym: lymph channelSee also: sinus |