{"version":"1.0","type":"link","title":"Primitive node - Newikis","description":"The primitive node (or primitive knot) is the embryonic organizer, a specialized signaling centre for gastrulation in most amniotes. In mammals the primitive node is a well-defined structure with established functions. It is the origin of the prechordal plate, and notochord, and has an important…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}