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Summary Stage Literature (153) Attributions Wiki

Name: NF stage 16 XAO Id: XAO:1000026

Definition: 'Nieuwkoop and Faber stage 16, corresponding to an embryo of age 18 hr 15 min at 22-24 Celsius and having the following external morphological criteria: Mid neural fold stage. Anterior part of neural plate rectangular; darkly pigmented eye anlagen present; neural plate sharply constricted in the middle. Inner ridges on neural folds forming angle of about 90 degrees with neural plate in rhombencephalic region. Length: 1.5 - 1.6 mm.'

Preceded By: NF stage 15 Succeeded By: NF stage 17

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