lymph Flashcards
what are the functions of lymphs
Tissue drainage
Return of plasma and plasma proteins
Absorbed fat transport from gut
Immunity
whats the composition of lymph?
fluid and plasma proteins
what makes the flow unidirectional?
valves
are lymph nodes isolated or grouped
both
where do groups of lymph nodes occur
arterial trunks
what is lymph node surrounded by
fibrous capsule
what are the secondary lymphoid follicles
germinal centres
roughly how many lymph nodes in a young adult?
450
where are inguinal nodes located
around femoral triangle at the base of the lower limb
give an example of a primary tumour
lymphomas such as Hodgkins
what is metastasis
the development of secondary malignant growths at a distance from a primary site of cancer
what is hyperplasia
the enlargement of an organ or tissue caused by an increase in the reproduction rate of its cells
what routes does drainage routes follow?
arterial supply
how many lymph ducts does does all lymph congregate into and what are they called
2, the thoracic duct and the right lymphatic duct
where do the lymph ducts empty into?
venous system at the jugular/ subclavian junction