rhynchokinesis

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• Rhynchokinesis — is an ability possessed by some birds to flex their upper mandible. Rhynchokinesis is one of two types of cranial kinesis, the other being prokinesis, in which the upper mandible moves at the point where it is hinged with the bird s skull.… …   Wikipedia

• Cranial kinesis — is the term for significant movement of skull bones relative to each other in addition to movement at the joint between the upper and lower jaw. It is usually taken to mean relative movement between the upper jaw and the braincase[1]. Most… …   Wikipedia

• Bird anatomy — Bird anatomy, or the physiological structure of birds bodies, shows many unique adaptations, mostly aiding flight. Birds have evolved a light skeletal system and light but powerful musculature which, along with circulatory and respiratory systems …   Wikipedia

• Anatomía de las aves — Saltar a navegación, búsqueda Anatomía de un ave típica. La anatomía de las aves, incluyendo su fisiología, muestra muchas adaptaciones únicas encaminadas, la mayoría, para la obtención de la capacidad de volar. Las aves han evolucionado hast …   Wikipedia Español