Click here to close Hello! We notice that you are using Internet Explorer, which is not supported by Xenbase and may cause the site to display incorrectly. We suggest using a current version of Chrome, FireFox, or Safari.
Summary Stage Literature (130) Attributions Wiki
XB-STAGE-3

Name: NF stage 1

XAO Id: 1000001

Definition: "Nieuwkoop and Faber stage 1, corresponding to an embryo of age 0 hr and having the following external morphological criteria: One cell stage, shortly after fertilization. Pigmentation darker ventrally than dorsally. Length: 1.4 - 1.5 mm."


Preceded By:  Succeeded By: NF stage 2-
Xenbase: The Xenopus laevis and X. tropicalis resource.
Version: 4.12.2


Major funding for Xenbase is provided by grant P41 HD064556