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Summary Stage Literature (434) Attributions Wiki

Name: NF stage 9

XAO ID: 1000019

Definition: "Nieuwkoop and Faber stage 9, corresponding to an embryo of age 7 hr at 22-24 Celsius and having the following external morphological criteria: Fine-cell blastula stage. Animal cells smaller at dorsal than at ventral side. Border between marginal zone and vegetative field distinct, particularly dorsally, owing to difference in cell size. Length: 1.4 - 1.5 mm."

Preceded By: NF stage 8 Succeeded By: NF stage 10