Specification of territories in blastula-stage sea urchin embryo

Proposed fate map of territories in Strongylocentrotus purpuratus embryo, projected as an external image of the hatched blastula of about 400 cells (~20 hours postfertilization) (Davidson et al., 1998).

Aboral ectoderm
Oral ectoderm
Vegetal plate endoderm and mesoderm
Sceletogenic mesoderm
Small micromeres
Regions where specifications have still not yet occured

Use mouse and arrows keys (up and down) to navigate the model.

The model is designed by Roman M. Shulakov (Hypermedia Lab of IHPCDB)

 UrchiNet homepage     Bioinformation Systems Lab      Search UrchiNet

Comments are welcome to Sveta Surkova

Copyright 1997 GeNet Team