Fig. 6From: Functional morphological study of the choana in different bird speciesPhotograph of ventral surface of skull of common moorhen shows upper jaw (UJ), the maxillary process of the palatine bone (Map), maxillopalatineprocess (MP), vomer bone (V), choana fossa (Fc), ventral crest (Vc), dorsal crest (Dc), ventral fossa (Vf), Pterygoid (Pt), and parasphenoid (Sph)Back to article page