Ventral arch
Arcus ventralis
Definition
The ventral arch of atlas represents of small part of the remnant body of the atlas (the larger part being incorporate din the dens and cranial articular surfaces of the axis).
On the dorsal part of the ventral arch of the atlas is the articular fovea for dens of axis.
There is cranioventral branch of the transverse process of the ventral arch termed the ventral tubercle.
References
Text by Antoine Micheau, MD - Copyright IMAIOS
Veterinary Anatomy of Domestic Mammals: Textbook and Colour Atlas, Sixth Edition - Horst Erich König, Hans-Georg Liebich - Schattauer - ISBN-13: 978-3794528332
Illustrated Veterinary Anatomical Nomenclature - 3rd edittion - Gheorghe M. Constantinescu, Oskar Schaller - Enke