Browser Not Supported.

IE users: please get the latest browser version at Microsoft Internet Explorer Home Page

if yot already have the latest browser version please verify that your browser settings is not in compatibility mode

Browser: unknown
Version: 0

EMBRYONIC DEVELOPMENT & STEM CELL COMPENDIUM
Content

Welcome to
LifeMap Discovery

Watch the introductory video to learn more about our database of embryonic development for stem cell research and regenerative medicine

All Anatomical Compartments > Compartment Card
Hypoblast >

Extraembryonic Endoderm


Hpb.ExEnd
The extraembryonic endoderm is a derivative of the hypoblast cells that migrate into the blastocyst cavity (beginning on day 8 of human embryonic development), and line the cavity, giving rise to the primary and definitive yolk sacs. The extraembryonic endoderm fills the remaining cavity of the blastocyst.

The above description and linking of the extraembryonic endoderm to the hypoblast pertains to human embryonic development. In mouse development, the extraembryonic endoderm arises from the primitive streak.
Extraembryonic Endoderm
Multiple Ancestors Single Ancestor No Descendants Develops from Part of Parent