On Friday November 24, 2017 around 5 pm EST portions of Xenbase may be intermittently available.

Click on this message to dismiss it.
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 (61) Attributions Wiki

Name: NF stage 55

XAO Id: 1000067

Definition: "Nieuwkoop and Faber stage 55, corresponding to a tadpole of age about 32 days at 22-24 Celsius and having the following external morphological criteria: Hand pronated about 90 degrees; free parts of fingers about equally long as broad. Length of hindlimb without foot about 3 times its breadth; length of cartilages of 4th and 5th toe about 4 times their breadth. Length: 70 - 80 mm."

Preceded By: NF stage 54 Succeeded By: NF stage 56

My Xenbase: [ Log-in / Register ]
version: [4.6.0]

Major funding for Xenbase is provided by the National Institute of Child Health and Human Development, grant P41 HD064556