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Summary Stage Literature (72) Attributions Wiki
XB-STAGE-71

Name: NF stage 57

XAO Id: 1000069

Definition: "Nieuwkoop and Faber stage 57, corresponding to a tadpole of age about 41 days at 22-24 Celsius and having the following external morphological criteria: Pigment-free spot appearing above \"Stirnorgan\". Angle of elbow more than 90 degrees; fingers stretched out in forelimb atrium, their length about 7 times their breadth. Length: 75 - 105 mm."


Preceded By: NF stage 56 Succeeded By: NF stage 58
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