the first fluid, rich in protein, secreted by the mother's mammary glands for several days just after giving birth
Origin of colostrumL, beestings
The thin yellowish fluid secreted by the mammary glands at the time of parturition that is rich in antibodies and minerals, and precedes the production of true milk. Also called foremilk.
Origin of colostrumLatin.
- (medicine) A form of milk produced by the mammary glands in late pregnancy and the few days after giving birth. Human and bovine colostrum is thick and yellowish. In humans, it has high concentrations of nutrients and antibodies, but it is small in quantity.
- A mixture of turpentine and egg yolk, formerly used as an emulsion.
From Latin colostrum.