Sentence examples for ovum egg from inspiring English sources

Ectopic pregnancy, also called extrauterine pregnancy, condition in which the fertilized ovum (egg) has become imbedded outside the uterine cavity.

With each menstrual cycle, a thousand follicles are lost and only one lucky little follicle will actually mature into an ovum (egg), which is released into the fallopian tube, kicking off ovulation.

In 1827 he described his discovery of the mammalian ovum (egg) in his De Ovi Mammalium et Hominis Genesi ("On the Mammalian Egg and the Origin of Man"), thereby establishing that mammals, including human beings, develop from eggs.

An ovoid surface is either convex in all directions or concave in all directions; in this respect it is like one or other of the two sides of a piece of eggshell, hence the name (ovum, egg).

Supporters of the latter theory included Aristotle; the English physician William Harvey, who labeled the theory epigenesis; the German physician Caspar Friedrick Wolff; and the Prussian-Estonian scientist Karl Ernst, Ritter von Baer, who proved epigenesis with his discovery of the mammalian ovum (egg) in 1827.

The term obovata derives from the Latin ob- ("inverse") and ovum ("egg"), and has feminine gender, consistent with the gender assigned by Labillardière to the genus.

The ovum eggs them on, signaling some to play the sacrificial kamikaze and explode their enzyme sacks prematurely, loosening the corridor for other, shapelier sperm to pass through intact.

In the case of multicellular animals we find there are two kinds of sex cells: the female sex cell (ovum, or egg), derived from an oocyte (immature egg), and the male sex cell (spermatozoon or sperm), derived from a spermatocyte.

Nuclear transfer is most common and involves enucleating an ovum, or egg, with all the genetic material removed.

"First, the chicken forms a yolk, which is basically an ovum, or egg," he said, "and it drops from the ovary into the body cavity.

The testes in the male produce the sperm cells that fertilize the ovum, or egg, in the process of producing a new organism.