The anterior-most third of the embryo, formed from the development of the head outgrowth at NF stage 21. [ XAO:curators ]

This is just here as a test because I lose it

Term information

Subsets

anatomical_site_slim

OBO foundry unique label

subdivision of head (xenopus)

has obo namespace

xenopus_anatomy

id

XAO:0000040