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 (57) Attributions Wiki
XB-STAGE-58

Name: NF stage 44

XAO Id: 1000056

Definition: "Nieuwkoop and Faber stage 44, corresponding to an embryo of age 3 days, 20 hr at 22-24 Celsius and having the following external morphological criteria: Appearance of tentacle rudiments. Opercular folds protruding further. Coiling part of intestine showing S-shaped loop; torsion about 360 degrees. Blood-circulation in gills usually ceased (gills smaller). Length: 7.8 - 8.5 mm."


Preceded By: NF stage 43 Succeeded By: NF stage 45
Xenbase: The Xenopus laevis and X. tropicalis resource.
Version: 4.11.3


Major funding for Xenbase is provided by grant P41 HD064556