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Summary Stage Literature (255) Attributions Wiki

Name: NF stage 23

XAO ID: 1000039

Definition: "Nieuwkoop and Faber stage 23, corresponding to an embryo of age 1 day, 45 min at 22-24 Celsius and having the following external morphological criteria: Jaw- and gill-areas completely separated by groove. Ventral outline of embryo more concave. Length: 2.2 - 2.4 mm."

Preceded By: NF stage 22 Succeeded By: NF stage 24