Terminology Service for NFDI4Health

post-anal tail bud

Go to external page http://purl.obolibrary.org/obo/UBERON_0002533


The rapidly proliferating mass of cells at the caudal extremity of the embryo; remnant of the primitive node. [ http://purl.obolibrary.org/obo/BTO_0001445 ]

Term info

Label

post-anal tail bud

Synonyms
  • tail bud
  • tailbud
database cross reference
Subsets

uberon_slim, efo_slim, pheno_slim, vertebrate_core

editor note

See notes from https://github.com/obophenotype/uberon/wiki/The-neural-crest

external definition

Rapidly proliferating mass of cells at the caudal extremity of the embryo. Its formation is reflected in a caudal carving of the posterior portion of the archenteric canal at NF stage 22. With its further outgrowth, the postanal gut primordium becomes stretched. Its lumen is in broad communication with the hindgut at NF stage 25.[AAO]

has related synonym

end bud, tail bud mesenchyme

homology notes

(...) at some stage of its development, every chordate exhibits five uniquely derived characters or synapomorphies of the group: (...) (5) a larva or embryo with a postanal tail.[well established][VHOG]

id

UBERON:0002533