Abstract
12Dec 2017 NERVI OLFACTORIUS, OPTICUS AND OCTAVUS OF MALPOLON MOILENSIS. Dakrory A. I , Abdel-Kader T. G , Mahgoub A. F and Ali. R. S. Department of Zoology, Faculty of Science, Cairo University, Egypt. Department of Zoology&Entomology, Faculty of Science, Helwan University, Egypt. Department of Biolgy, Faculty of Science, Taif University, KSA. Department of Zoology, Faculty of Science, Sirt University, Lybia.
Highlights
Nervus octavus arises by a single root
Despite the constraints imposed by their elongated, limbless body, they have undergone a striking adaptive radiation (Scanlon and Lee, 2011). They constitute, together with the lizards, about 95% of the living reptiles (McDiarmid et al, 1999). They are the representative of the suborder Ophidia (Serpents) of the order Squamata
The first valuable work was that of Hegazy (1976), on the cranial nerves of three ophidians belonging to three different families
Summary
Nervus octavus arises by a single root. The vestibular ganglion is located partially intracranially and partially in the foramen acousticum posterius. From the dorsomedial corner of the posterior side of the nasal capsule, the bundles constituting the nervus olfactorius leave the nasal cavity through the foramen olfactorium advehens and directly enter the cranial cavity (Fig. 2, F.OL.AD). The nervus opticus enters the cranial cavity through foramen orbitale magnum
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