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1. A natural bodily fluid or secretion of fluid such as blood, semen, or saliva.
2. Total body water, contained principally in blood plasma and in intracellular and interstitial fluids.
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|Noun||1.||body fluid - the liquid parts of the body|
body substance - the substance of the body
vitreous body, vitreous humor, vitreous humour - the clear colorless transparent jelly that fills the posterior chamber of the eyeball
endolymph - the bodily fluid that fills the membranous labyrinth of the inner ear
perilymph - the bodily fluid that fills the space between the bony labyrinth and the membranous labyrinth of the inner ear
ECF, extracellular fluid - liquid containing proteins and electrolytes including the liquid in blood plasma and interstitial fluid; "the body normally has about 15 quarts of extracellular fluid"
intracellular fluid - liquid contained inside the cell membranes (usually containing dissolved solutes)
karyolymph - a clear liquid in the cell nucleus in which the nucleolus and chromatin and other structures are dispersed
milk - produced by mammary glands of female mammals for feeding their young
amnionic fluid, amniotic fluid, waters - the serous fluid in which the embryo is suspended inside the amnion; "before a woman gives birth her waters break"
blood - the fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets; "blood carries oxygen and nutrients to the tissues and carries away waste products"; "the ancients believed that blood was the seat of the emotions"
blood serum, serum - an amber, watery fluid, rich in proteins, that separates out when blood coagulates
chyle - a milky fluid consisting of lymph and emulsified fats; formed in the small intestine during digestion of ingested fats
lymph - a thin coagulable fluid (similar to plasma but) containing white blood cells (lymphocytes) and chyle; is conveyed to the blood stream by lymphatic vessels
come, cum, ejaculate, semen, seminal fluid, seed - the thick white fluid containing spermatozoa that is ejaculated by the male genital tract
ink - dark protective fluid ejected into the water by cuttlefish and other cephalopods
secretion - a functionally specialized substance (especially one that is not a waste) released from a gland or cell
black bile, melancholy - a humor that was once believed to be secreted by the kidneys or spleen and to cause sadness and melancholy
yellow bile, choler - a humor that was once believed to be secreted by the liver and to cause irritability and anger
lochia - substance discharged from the vagina (cellular debris and mucus and blood) that gradually decreases in amount during the weeks following childbirth