The anterior visceral endoderm is important in axis formation and determines the (A) anterior end of the embryo.
What is anterior visceral endoderm?
- Anterior visceral endoderm (AVE) cells are extra-embryonic cells that are necessary for determining anterior neural patterns in the mouse embryo by preventing primitive streak production.
- The AVE cells are produced at the distal tip of the 5.5 DPC embryo and then migrate to the projected anterior, where they imbue the underlying epiblast with anterior identity.
- The development of the anterior visceral endoderm.
- The mouse blastocyst, which forms around embryonic day (E) 4.5, consists of an exterior shell of trophectoderm (TE) encompassing the pluripotent epiblast, visceral endoderm (VE), and parietal endoderm.
- The anterior visceral endoderm is involved in axis formation and determines the embryo's anterior end.
Therefore, the anterior visceral endoderm is important in axis formation and determines the (A) anterior end of the embryo.
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The complete question is given below:
The anterior visceral endoderm is important in axis formation and determines which end of the embryo?
(A) anterior
(B) posterior
(C) dorsal
(D) ventral
(E) proximal
(F) distal
