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Summary Stage Literature (328) Attributions Wiki

Name: NF stage 26

XAO ID: 1000042

Definition: "Nieuwkoop and Faber stage 26, corresponding to an embryo of age 1 day, 5 hr 30 min at 22-24 Celsius and having the following external morphological criteria: Otic vesicle protruding. Pronephros distinctly visible. Myotomes showing through for the first time. Fin somewhat broadened at dorso-caudal end of body. Beginning of spontaneous movements. Length: 3.0 - 3.3 mm."

Preceded By: NF stage 25 Succeeded By: NF stage 27