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See Embryo.

Pertaining to an embryo, or the initial state of any organ; embryonic.

Embryonic.

In the state of, or having, an embryonal.

Of or pertaining to an embryo; embryonal; rudimentary. Embryonic sac or vesicle (Bot.), the vesicle within which the embryo is developed in the ovule; -- sometimes called also amnios sac, and embryonal sac.

Having an embryo.

Like an embryo in form.

Not embryonate.

The condition of an ovule having but a single embryo. -- Mon*em`bry*on"ic, a.

Consisting of, or having, several embryos; polyembryonic.

Polyembryonate.

more embryos in one seed, due either to the existence and fertilization of more than one embryonic sac or to the origination of embryos outside of the embryonic sac.

That group of vertebrates which develops in its embryonic life the envelope called the amnion. It comprises the reptiles, the birds, and the mammals.

A bar of cartilage at the base of the embryonic fins of some fishes. It develops into the metapterygium. -- Ba*sip`ter*yg"i*al (, a.

ls. It is simply the anterior termination of the spinal cord, and is developed from three embryonic vesicles, whose cavities are connected with the central canal of the cord; the cavities of the vesicles become the central cavities, or ventricles, and the walls thicken unequally and become the three segments, the fore-…

An embryonic cell which develops into a pigment cell.

A defect or malformation; esp., a fissure of the iris supposed to be a persistent embryonic cleft.

The act of conceiving in the womb; the initiation of an embryonic animal life. I will greaty multiply thy sorrow and thy conception. Gen. iii. 16.

erving to focus the rays of light. It consists of rodlike cells derived from the external embryonic epithelium.

series of changes which animal and vegetable organisms undergo in their passage from the embryonic state to maturity, from a lower to a higher state of organization.