Новый большой англо-русский словарь - yolk stalk
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Перевод с английского языка yolk stalk на русский
yolk stalk
1. биол. желточный проток
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3.
noun Date: 1900 the narrow tubular stalk connecting the yolk sac with the embryo YOLK also yoke noun Etymology: Middle English ~e, from Old English geoloca, from geolu yellow — more at yellow Date: before 12th century 1. a. the yellow spheroidal mass of stored food that forms the inner portion of the egg of a bird or reptile and is surrounded by the white — see egg illustration b. archaic the whole contents of an animal ovum consisting of a protoplasmic formative portion and an inert nutritive portion c. material stored in an animal ovum that supplies food to the developing embryo and consists chiefly of proteins, lecithin, and cholesterol 2. akin to Middle Dutch ieke ~ (of wool), Old English eowu ewe oily material in unprocessed sheep wool consisting of wool fat, suint, and debris • ~ed adjective • ~y adjective ...Merriam-Webster Collegiate Dictionary
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