A triangular depression bounded by the clavicle and the adjacent borders of the deltoid and pectoralis major muscles.
Synonym: fossa infraclavicularis, deltoideopectoral triangle, deltoideopectoral trigone, infraclavicular triangle, Mohrenheim's fossa, Mohrenheim's space, regio infraclavicularis, trigonum deltoideopectorale.
(05 Mar 2000)