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单词 colostrum
释义

colostrumn.

Brit. /kəˈlɒstrəm/, U.S. /kəˈlɑstrəm/
Forms:

α. 1500s–1600s colostra.

β. 1600s– colostrum, 1800s– colustrum.

Origin: A borrowing from Latin. Etymons: Latin colostrum, colustrum, colostra, colustra.
Etymology: < classical Latin colostrum (also colustrum), neuter, colostra (also colustra), feminine singular, of unknown origin. Compare Middle French, French †colostre (1564), colostrum (c1585).Both feminine and neuter forms are found in classical Latin. Latin grammarians state that the neuter is the correct form; it is possible that the feminine form arose from reinterpretation of the neuter plural.
The milk secreted by a female mammal around the time of giving birth, which is a watery fluid with a high protein content, including maternal antibodies which provide passive immunity to the newborn. In early use also: †the cream or coagulated protein of ordinary milk (obsolete).
ΘΚΠ
the world > food and drink > food > dairy produce > [noun] > milk > beestings
beesteOE
beestingsOE
colostrum1577
fore-milk1904
the world > life > the body > secretory organs > secretion > milk > [noun] > colostrum
rennetc1450
colostrum1577
fore-milk1904
1577 B. Googe tr. C. Heresbach Foure Bks. Husbandry iii. f. 139v You must be sure to milke out the fyrst milke called Colostra..: for this, except some quantitie be drawen out, doth hurt the Lambe.
1660 J. Harding tr. Paracelsus Archidoxis i. 48 The impure body, turns forth the Quintessence to its superficies, even as the Colostrum, or cream is Separated from the milk.
a1722 E. Lisle Observ. Husbandry (1757) 353 Roman writers on husbandry forbid the colastra or beastings to be given to the calf.
1737 H. Bracken Midwife's Compan. 213 The Colostrum or first Milk is a medicinal Nourishment which Nature hath prepared for the Purpose that it should moderately nourish, and purge at the same Time for some Days.
1787 J. M. Adair Med. Cautions (ed. 2) 324 The objection to milk is its too speedy coagulation in the stomach, in which case the colostrum, or curd, becomes so hard and tenacious, as to be scarcely soluble.
1839–47 Todd's Cycl. Anat. & Physiol. III. 360/2 Colostrum..differs somewhat from ordinary milk.
1877 M. Foster Text Bk. Physiol. ii. v. 300 The colostrum, or secretion of the mammary gland at the beginning of lactation.
1935 D. Paterson & J. F. Smith Mod. Methods Feeding Infancy & Childhood (ed. 5) i. 10 The so-called aperient action of colostrum we attribute to the setting up of the gastro-colic reflex when the fluid is taken into the infant's stomach.
1970 W. H. Parker Health & Dis. Farm Animals ix. 114 Natural passive immunity is acquired from the first meals of colostrum.
2006 New Yorker 9 Oct. 60/3 The mother's breasts immediately let down colostrum, the first milk, and the newborn can latch on to feed.

Compounds

colostrum corpuscle n. a microscopic membrane-bound body containing fat globules that is found in colostrum, believed to originate from a fat-laden epithelial cell or macrophage from the mammary gland.
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1843 Brit. & Foreign Med. Rev. 16 539 They are to be found in pus and plastic exudations, and here constitute Gluge's inflammation globules; in milk they form colostrum-corpuscles.
1874 A. Flint Physiol. Man III. iii. 105 A moderate quantity of colostrum, containing..milk-globules and a number of colostrum-corpuscles.
1999 J. Lauwers et al. Counseling Nursing Mother (ed. 3) vi. 90/2 They are then eliminated in the first milk as colostrum corpuscles.
colostrum globule n. now rare = colostrum corpuscle n.
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1839–47 Todd's Cycl. Anat. & Physiol. III. 361/1 He [sc. Donné] states the colostrum globule to be made up of small granules united together, or enclosed in a transparent envelope.
1902 L. S. Ware Cattle Feeding 365 Later, when the actual milk has been secreted, the colostrum globules disappear to be replaced regular milk globules.
This entry has been updated (OED Third Edition, September 2011; most recently modified version published online June 2022).
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n.1577
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