1st arch pharyngeal cleft
From BugSigDB
A groove that is situated between the 1st and 2nd pharyngeal arch.
- Aliases
- 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