Term Name:	1st arch pharyngeal cleft
Synonyms:	1st arch branchial groove, 1st arch groove ectoderm, 1st branchial cleft, 1st pharyngeal cleft, 1st pharyngeal groove, 1st pharyngeal groove ectoderm, branchial groove of 1st arch
Definition:	A groove that is situated between the 1st and 2nd pharyngeal arch.
Ontology:	Cell Ontology [UBERON:0005872]