Name: NF stage 2-
XAO ID: 1000028
Definition: "Nieuwkoop and Faber stage 2-, corresponding to an embryo of age 1 hr 15 min at 22-24 Celsius and having the following external morphological criteria: Beginning of first cleavage. First cleavage groove has not yet reached vegetal pole. Length: 1.4 - 1.5 mm."
|Preceded By: NF stage 1||Succeeded By: NF stage 2 (2-cell)|