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Summary Stage Literature (142) Attributions Wiki

Name: NF stage 31

XAO ID: 1000046

Definition: "Nieuwkoop and Faber stage 31, corresponding to an embryo of age 1 day, 13 hr 30 min at 22-24 Celsius and having the following external morphological criteria: Tail bud equally long as broad. Length: 4.2 - 4.8 mm."

Preceded By: NF stage 29 and 30 Succeeded By: NF stage 32