Somatopleure: alternatives and connections

Same as Amnion.

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

Of or pertaining to the amnion; characterized by an amnion; as, the amniotic fluid; the amniotic sac.

Without, or not developing, an amnion.

That stage in the development of the ovum in which the outer cells of the morula become more defined and form the blastoderm.

The whitish mass of soft matter (the center of the nervous system, and the seat of consciousness and volition) which is inclosed in th…

A part of the amnion, one of the membranes enveloping the fetus, which sometimes is round the head of a child at its birth.

a type of fortification, like a hornwork, but consisting of a full bastion with the walls on either side ending in half-bastions from…

To cause to be separate; to keep apart by a partition, or by an imaginary line or limit; as, a wall divides two houses; a stream divid…

a vertical structure that divides or separates (as a wall divides one room from another)

The outer layer of the blastoderm; the epiblast; the ectoderm.

The outer layer of the blastoderm; epiblast.

The outer layer of the blastoderm; the ectoderm. See Blastoderm, Delamination.

Upon or above the notochord; -- applied esp. to a vertebral column which develops upon the dorsal side of the notochord, as distinguis…

A combining form signifying relating to the forehead or the frontal bone; as, fronto-parietal, relating to the frontal and the parieta…

A short cord which connects the embryo of some myriapods with the amnion.

The inner or lower layer of the blastoderm; -- called also endoderm, entoderm, and sometimes hypoderm. See Illust. of Blastoderm, Dela…

Flat and thin; lamelliform; composed of lamellae.