A nerve that is responsible for the sense of hearing and which is also pertinent to balance, to the body position sense.
Problems with the vestibulocochlear nerve may result in deafness, tinnitus (ringing or noise in the ears), dizziness, vertigo and vomiting.
The vestibulocochlear nerve is the eighth cranial nerve. The 12 cranial nerves, the vestibulocochlear nerve included, emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge from the vertebral column.
A nerve tonic, a medicine that acts therapeutically upon the nerves, particularly in the sense of a sedative that serves to calm ruffled nerves. The word nervine comes from the Latin nervinus, belonging to a sinew. Nervine travelled across the Channel from France to 17th-century England. There it was first applied to the sinews. That […]
- Nervous colon syndrome
A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility) characterized by abdominal pain, bloating, mucous in stools, and irregular bowel habits with alternating diarrhea and constipation, symptoms that tend to be chronic and to wax and wane over the years. Although the disorder can cause chronic recurrent discomfort, it does not lead […]
- Nervous system, autonomic
the sympathetic nervous system, which accelerates the heart rate, constricts blood vessels, and raises blood pressure, and the parasympathetic nervous system, which slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles.
- Nervous system, central (CNS)
That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS) is one of the two major divisions of the nervous system. The other is the peripheral nervous system (PNS), that part of the nervous system that lies outside the brain and spinal cord. The peripheral nervous […]
- Nervous system, human
The sum total of the tissues that record and distribute information within a person, and does so by electrical and chemical means. The nervous system has two distinct parts — central and peripheral. The central part is made up of the brain and spinal cord. Together they are the central nervous system (CNS). The peripheral […]