Xenopus Anatomy Ontology: Summary for NF stage 4 (8-cell)

Summary

Stage Literature (127)

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XB-STAGE-16

Name: NF stage 4 (8-cell)

XAO Id: XAO:1000014

Definition: Nieuwkoop and Faber stage 4; age 2 hr 15 min at 22-24 Celsius; corresponding to the following external morphological criteria: Advanced eight cell stage. Dorsal micro- and macromeres usually smaller than ventral ones; dorsal micromeres less pigmented than ventral ones. Length: 1.4 - 1.5 mm.

Preceded By: NF stage 3 (4-cell)

Succeeded By: NF stage 5 (16-cell)