| Library / English Dictionary |
OPTIC NERVE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
The cranial nerve that serves the retina
Synonyms:
nervus opticus; optic nerve; optic tract; second cranial nerve
Classified under:
Hypernyms ("optic nerve" is a kind of...):
cranial nerve (any of the 12 paired nerves that originate in the brain stem)
Holonyms ("optic nerve" is a part of...):
visual system (the sensory system for vision)
betweenbrain; diencephalon; interbrain; thalmencephalon (the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalon)
Context examples:
Benign and malignant neoplasms that arise from the optic nerve or its sheath.
(Optic Nerve Neoplasm, NLM, Medical Subject Headings)
A congenital abnormality characterized by the underdevelopment of the optic nerve.
(Optic Nerve Hypoplasia, NCI Thesaurus)
Scientists had suspected that oxidative stress might contribute to the degeneration of the optic nerve, but until now lacked evidence.
(Glaucoma-related genes revealed, NIH)
Inflammation of the optic nerve (the nerve that carries messages from the back of the eye to the brain).
(Optic neuritis, NCI Dictionary)
The eye test used in the study shines light into the eye, allowing a doctor to measure retinal thickness, as well as the thickness of fibers in the optic nerve.
(Predicting Alzheimer's Disease May Be Possible Using Eye Exam, The Titi Tudorancea Bulletin)
A disorder characterized by inflammation of the optic nerve.
(Optic neuritis, NCI Thesaurus)
Six participants were unable to detect any light, either because their optic nerves had been damaged or their eyes removed due to disease.
(How Light Boosts Migraine Pain, NIH, US)
A study in mice shows for the first time that high-contrast visual stimulation can help damaged retinal neurons regrow optic nerve fibers, otherwise known as retinal ganglion cell axons.
(Visual activity regenerates neural connections between eye and brain, NIH)
Papilledema occurs when increased brain pressure caused by tumors or other problems results in swelling of the optic nerve.
(Papilledema, NCI Dictionary)
A meningioma that affects the sheath of the optic nerve.
(Optic Nerve Sheath Meningioma, NCI Thesaurus)
