Name: NF stage 4 (8-cell)
XAO ID: 1000014
Definition: "Nieuwkoop and Faber stage 4, corresponding to an embryo of age 2 hr 15 min at 22-24 Celsius and having 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)|