Jaw Musculature of the Picini (Aves: Piciformes: Picidae)

Figure 4

A lateral superficial view of the jaw muscles of Dinopium rafflesii. amecl: adductor mandibulae externus caudalis lateralis; amerl: adductor mandibulae externus rostralis lateralis; amerm: adductor mandibulae externus rostralis medialis; amert: adductor mandibulae externus rostralis temporalis; amev: adductor mandibulae externus ventralis; dm: depressor mandibulae; prpt: protractor pterygoidei; psd p: pseudotemporalis profundus; pter dor lat: pterygoideus dorsalis lateralis; pter dor med: pterygoideus dorsalis medialis.