Name: NF stage 2 (2-cell)
XAO Id: 1000011
Definition: "Nieuwkoop and Faber stage 2, corresponding to an embryo of age 1 hr 30 min at 22-24 Celsius and having the following external morphological criteria: Advanced two cell stage. First cleavage groove has reached vegetal pole. Ventral side of blastomeres darker than dorsal side. Length: 1.4 - 1.5 mm."
|Preceded By: NF stage 2-||Succeeded By: NF stage 3 (4-cell)|