nervo-, nerv-, nervi-

(Latin: nerve fiber or sinew, nerves)

nervine: nerves, sinews
1. Having the quality of acting on the nerves, so as to restore them to a normal state; relieving disorders of the nervous system.
2. A reference to the nerves or sinews.
nervous eructation, eructatio nervosa (s); nervous eructations (pl) (noun forms)
A neurosis characterized by repeated belching.
nervus (singular)
nervus vagus (s) (noun); nervi vagi (pl)
1. Either of the longest pair of cranial nerves mainly responsible for parasympathetic control (activities that occur when the body is at rest) over the heart and many other internal organs, including thoracic and abdominal viscera or abdominal cavity below the diaphragm but not including the pelvic tissues: The nervi vagi communicate through thirteen main branches, connecting to four areas in the brain.
2. Etymology: from Latin, vagus, "wandering" + nervus, "nerve".
neurine: nerves
Of or relating to the nerves.
oculomotor nerve
The third cranial nerve which is responsible for the nerve supply to the muscles around the eye, including the upper eyelid muscle, which raises the eyelid; the extraocular muscle, which moves the eye inward; and the pupillary muscle, which constricts the pupil.

Paralysis of the oculomotor nerve results in a drooping eyelid (ptosis), deviation of the eyeball outward (and therefore double vision), and a dilated (wide-open) pupil.

olfactory nerve (s) (noun), olfactory nerves (pl)
Any of the nerves supplying the nasal mucosa: These olfactory nerves consist of delicate bundles of fibers that pass through the bipolar receptor neurons of olfactory mucous membranes.
onychalgia nervosa
1. Extreme sensitivity of the fingernails and/or toenails.
2. Extreme sensitivity of apparently normal fingernails and toenails.
optic nerve
The second cranial nerve; the sensory nerve that innervates the retina.