The trochlear nerve is the fourth of 12 cranial nerves that emerge from the brain and extend down the head, neck, and torso. Cranial nerves help control sensory innervation: i.e., the ability to ...

The optic nerve is located in the back of the eye. It is also called the second cranial nerve or cranial nerve II. It is the second of several pairs of cranial nerves.

THE origin of vertebrate animals is to be found according to many morphologists in those invertebrates which are composed of a series of segments, and one of the chief arguments in favour of this ...

Cranial sacral therapy may help provide relief for certain conditions, including headaches. There’s a low risk of side effects and you may try this therapy if you have musculoskeletal head, neck ...