O que (quem) é zygantrum - definição
Zygantrum
·noun ·see under Zygosphene.
Zygosphene-zygantrum articulation
The zygosphene-zygantrum articulation is an accessory joint between vertebrae found in several lepidosauromorph reptiles. This pivot joint consists of a forward-facing, wedge-shaped process called the zygosphene, that fits in a depression on the rearside of the next vertebrae, called the zygantrum.
Zygosphene
·noun A median process on the front part of the neural arch of the vertebrae of most snakes and some lizards, which fits into a fossa, called the zygantrum, on the back part of the arch in front.
