Cranial Nerves and Ganglia of Vertebrates | Ectodermal Organs | Embryology

The cranial nerves of verte­brates, when compared with the spinal nerves, show a great diversity in configuration, distribution, and function and the same diversity can also be noted in their development in the embryo. To start with, the two most anterior nerve pairs, nerves I (olfactory) and II (optic), are completely different in nature and cannot be in any way [...]