1540s, belonging to an ecclesiastical metropolis, from Late Latin metropolitanus, from Greek metropolites resident of a city, from metropolis (see metropolitan (n.)). Meaning belonging to a chief or capital city is from 1550s. In reference to underground city railways, it is attested from 1867.
The solution that runs through these vessels, called lymph, begins in the circulatory system as blood plasma and then is converted to a fluid known as an interstitial or intercellular fluid. This fluid is responsible for delivering hormones, oxygen, and various nutrients to cells throughout the body.fferent vessels transport fluid into the lymph nodes, while efferent vessels carry filtered lymph away from the lymph nodes. White blood cells called lymphocytes are a major part of the lymphatic system. Lymph nodes may become swollen when a person gets sick.
Is lymph fluid filtered in the lymph nodules or the lymph node? lymph capillary Lymph fluid is filtered in lymph nodes. Lymph nodes are along lymph vessels which that run along blood vessels. Lymph vessels draw in interstitial fluid (fluidâ¦ between cells) and it them becomes lymph fluid. Lymph nodules are in connective tissue in place of high traffic and does not function as a filter because it's not along a lymph vessel.