Term Name:	caudal region
Synonyms:	post-anal caudal region, post-anal tail region, postsacral region, tail region
Definition:	Subdivision of an organism along anterior-posterior axis that is the posteriormost region, extending past the anus (or cloaca, if present), consisting of a tail in some fully formed chordates (or a tail bud in embryos). In animals that have a sacral region, this is the region immediately posterior to this.
Ontology:	Uberon Ontology [UBERON:0006071]