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n.1.(Anat.) A process on the posterior side of the tarsometatarsus of many birds; the calcaneal process.
References in periodicals archive ?
flexor perforans digiti III, a short distance inferior to the hypotarsus.
The tendon covers the posterior surface of the tibial cartilage and inserts on the caudal surface of the hypotarsus and tarsometatarsus.
The insertion tendon passes through the tibial cartilage and hypotarsus, and is ossified again for most of its length along the tarsometatarsus, and finally attaches to the ventroproximal surface of the second phalanx of digit II.