premandibular

premandibular

(ˌpriːmænˈdɪbjʊlə)
adj
(Anatomy) situated in front of the mandible
References in periodicals archive ?
It has been considered to correspond, at least in part, to the protocoel of hemichordates (MacBride, 1909), the original foregut of chordates (van Wijhe, 1913), the pre-premandibular head cavities of craniates (Neal, 1915), or the premandibular head cavities plus part of the adeno-hypophysis of craniates (Goodrich, 1917).
Proboscis pores' in craniate vertebrates, a suggestion concerning the premandibular somites and hypophysis.
MR muscles stem embryonically from the dorsal part of the premandibular head cavity in elasmobranchs, but from the ventral part in other vertebrates (Gilland, unpubl.