part of
preceded by
early tailbud stage
NF stage 23
NF stage 24
Nieuwkoop and Faber stage 24, corresponding to an embryo of age 1 day, 2 hr 15 min at 22-24 Celsius and having the following external morphological criteria: Eyes protruding less far laterally than gill-area. Gill-area more prominent than jaw-area, gill-area not yet grooved. Ventral outline of embryo nicked. Tail bud discernible. Initial motor reactions to external stimulation. Length: 2.5 - 2.7 mm.
XAO:1000040
xenopus_developmental_stage
NF stage