primitive streak in Hindi - primitive streak meaning in Hindi

	1.	The absence of hypoblast results in multiple primitive streaks in chicken embryos.
	2.	Hence, primitive streak is analogous to the blastopore lip in amphibian gastrulation.
	3.	When the primitive streak forms, these cells expand out to become Hensen's node.
	4.	This separation is crucial in the formation of the primitive streak.
	5.	At the end of the second week, a primitive streak appears.
	6.	The primitive streak is key in the development of the major body axes.
	7.	Avian gastrulation occurs as cells move though the primitive streak.
	8.	In chicken and mouse, Vg1 and Nodal respectively promote primitive streak formation in the epiblast.
	9.	Koller's sickle induces primitive streak and Hensen's node, which are major components of avian gastrulation.
	10.	The primitive streak develops from Koller s sickle and the epiblast of the avian embryo.

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primitive streak meaning in Hindi