Polar Cartilages and Formation of Crista Sellaris in Grass Snake, Natrix natrix (Ophidia, Colubridae), Chondrocranium at the Early Stages of Embryogenesis

• Published in: Вестник зоологии
• Date: 2012
• Main Author: Sheverdyukova, H.V.
• Format: Article
• Language: English
• Published: Інститут зоології ім. І.І. Шмальгаузена НАН України 2012
• Subjects: Морфология
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/109468
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Polar Cartilages and Formation of Crista Sellaris in Grass Snake, Natrix natrix (Ophidia, Colubridae), Chondrocranium at the Early Stages of Embryogenesis / H.V. Sheverdyukova // Вестник зоологии. — 2012. — Т. 46, № 5. — С. 461–468. — Бібліогр.: 16 назв. — англ.

The initial developmental stages of grass snake’s, Natrix natrix Linnaeus, 1758 chondrocranium are described. Three paired structures form the floor of N. natrix’s neurocranium: cranial trabeculae, polar cartilages, and parachordals. The primordiums of polar cartilages and their independent centers...