The yolk plug is a structure in the gastrula | vedclass

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(A) During the process of gastrulation in amphibians,the blastopore is initially open.As the involution of cells continues,the yolk-filled cells of th

Vedclass · Accepted Answer

Endodermal cells

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(A) During the process of gastrulation in amphibians,the blastopore is initially open.As the involution of cells continues,the yolk-filled cells of the vegetal pole are pushed into the blastopore.These yolk-rich cells protrude through the blastopore,forming a structure known as the yolk plug.Since these cells originate from the endoderm,the yolk plug is composed of endodermal cells.

The yolk plug is a structure in the gastrula which is formed by the protrusion of:

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