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Colostrum :: Colostrum (n.) A mixture of turpentine and the yolk of an egg, formerly used as an emulsion..

Yelk :: Yelk (n.) Same as Yolk.

Yolk :: Yolk (n.) An oily secretion which naturally covers the wool of sheep.

Cicatricle :: Cicatricle (n.) The germinating point in the embryo of a seed; the point in the yolk of an egg at which development begins.

Glyconin :: Glyconin (n.) An emulsion of glycerin and the yolk of eggs, used as an ointment, as a vehicle for medicines, etc..

Ichthin :: Ichthin (n.) A nitrogenous substance resembling vitellin, present in the egg yolk of cartilaginous fishes..

Vitelline :: Vitelline (a.) Of or pertaining to the yolk of eggs; as, the vitelline membrane, a smooth, transparent membrane surrounding the vitellus..

Vitelligenous :: Vitelligenous (a.) Producing yolk, or vitelline substance; -- applied to certain cells (also called nutritive, or yolk, cells) formed in the ovaries of many insects, and supposed to supply nutriment to the developing ova..

Yolk :: Yolk (n.) The yellow part of an egg; the vitellus.

Lecithin :: Lecithin (n.) A complex, nitrogenous phosphorized substance widely distributed through the animal body, and especially conspicuous in the brain and nerve tissue, in yolk of eggs, and in the white blood corpuscles..

Centrolecithal :: Centrolecithal (a.) Having the food yolk placed at the center of the ovum, segmentation being either regular or unequal..

Vitellin :: Vitellin (n.) An albuminous body, belonging to the class of globulins, obtained from yolk of egg, of which it is the chief proteid constituent, and from the seeds of many plants. From the latter it can be separated in crystalline form..

Scramble :: Scramble (v. t.) To prepare (eggs) as a dish for the table, by stirring the yolks and whites together while cooking..

Metamorphosis :: Metamorphosis (n.) A change in the form or function of a living organism, by a natural process of growth or development; as, the metamorphosis of the yolk into the embryo, of a tadpole into a frog, or of a bud into a blossom. Especially, that form of sexual reproduction in which an embryo undergoes a series of marked changes of external form, as the chrysalis stage, pupa stage, etc., in insects. In these intermediate stages sexual reproduction is usually impossible, but they ultimately pass into

Meroblastic :: Meroblastic (a.) Consisting only in part of germinal matter; characterized by partial segmentation only; as, meroblastic ova, in which a portion of the yolk only undergoes fission; meroblastic segmentation; -- opposed to holoblastic..

Vitellus :: Vitellus (n.) The contents or substance of the ovum; egg yolk. See Illust. of Ovum.

Deutoplasm :: Deutoplasm (n.) The lifeless food matter in the cytoplasm of an ovum or a cell, as distinguished from the active or true protoplasm; yolk substance; yolk..

Ovoplasma :: Ovoplasma (n.) Yolk; egg yolk.

Chalaza :: Chalaza (n.) A spiral band of thickened albuminous substance which exists in the white of the bird's egg, and serves to maintain the yolk in its position; the treadle..

Ectolecithal :: Ectolecithal (a.) Having the food yolk, at the commencement of segmentation, in a peripheral position, and the cleavage process confined to the center of the egg; as, ectolecithal ova..

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