qeskë e verdhë veze

qeskë e verdhë veze

The yolk sac in man contains no nutrients so in this aspect is vestigial. However, the its embryonic endodermal roof is the source of the mucous membrane of almost the entire intestinal tract. The yolk sac also is concerned with the transfer of nutritive fluid to the embryo from the trophoblast, primary mesenchyme and extra-embryonic coelem.

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verdhë

농업; 쌀 과학

A condition in which the yellowish seedlings die after the second foliage leaf is formed. The leaf apexes wither and die.

majë

해부학; 발달 해부학

The top or crown of the head.

Zona pellucida

해부학; 발달 해부학

A thick, transparent, noncellular layer or envelope of uniform thickness surrounding an oocyte. Also called the oolemma.

trofoblaste

해부학; 발달 해부학

A granular protoplasmic body; a plastid, formed from cytotrophoblast, eventually surrounds the entire embryo; insert themselves between uterine epithelial cells, then spread along ...

ventralward

해부학; 발달 해부학

Toward a belly, venter, or ventral aspect.

zgavër segmentimit

해부학; 발달 해부학

The fluid-filled cavity of the mass of cells produced by cleavage of a fertilized ovum.

segment

해부학; 발달 해부학

One of the paired, block like masses of mesoderm, arranged segmentally alongside the neural tube of the embryo, forming the vertebral column and segmental musculature.