Xenopus Anatomy Ontology

Last uploaded: September 3, 2024
Id http://purl.obolibrary.org/obo/XAO_1000032
http://purl.obolibrary.org/obo/XAO_1000032
Preferred Name

NF stage 11.5

Definitions
Nieuwkoop and Faber stage 11.5, corresponding to an embryo of age 12 hr 30 min at 22-24 Celsius and having the following external morphological criteria: Large yolk plug stage. Blastopore groove closed ventrally; yolk plug not yet quite circular. At ventral side concentrated superficial pigment still visible. Diameter of yolk plug about a third of diameter of egg (plus or minus 40 degrees). Length: 1.4 - 1.5 mm.
Type http://www.w3.org/2002/07/owl#Class
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