OPTIC NERVE

Pronunciation (US):

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IPA (US):

 Dictionary entry overview: What does optic nerve mean? 

• OPTIC NERVE (noun)
  The noun OPTIC NERVE has 1 sense:

1. the cranial nerve that serves the retina

  Familiarity information: OPTIC NERVE used as a noun is very rare.

 Dictionary entry details 

• OPTIC NERVE (noun)

Sense 1

Meaning:

The cranial nerve that serves the retina

Classified under:

Nouns denoting body parts

Synonyms:

nervus opticus; optic nerve; optic tract; second cranial nerve

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 

A disorder characterized by involvement of the optic nerve (second cranial nerve).

(Optic Nerve Disorder, NCI Thesaurus/CTCAE)

A glioma that affects the optic nerve.

(Optic Nerve Glioma, NCI Thesaurus)

Glial cell derived tumors arising from the optic nerve, usually presenting in childhood.

(Optic Nerve Glioma, NLM, Medical Subject Headings)

The majority of optic nerve tumors or optic gliomas.

(Optic Nerve Neoplasm, NCI Thesaurus)

It is formed by the meeting of all the retinal ganglion cell axons as they enter the optic nerve.

(Optic Disc, NLM, Medical Subject Headings)

An anatomic structure formed by the crossing of the two optic nerves under the hypothalamus.

(Optic chiasm, NCI Thesaurus)

Neoplasms of the hypothalamus frequently originate from adjacent structures, including the OPTIC CHIASM, optic nerve (see OPTIC NERVE NEOPLASMS), and pituitary gland (see PITUITARY NEOPLASMS).

(Hypothalamic Neoplasm, NLM, Medical Subject Headings)

The components of the eye that are also part of the nervous system, including the retina and optic nerve.

(Murine Neuro-Ocular System, NCI Thesaurus)

The optic nerve conveys visual information from the retina to the brain.

(Murine Optic Nerve, NLM, Medical Subject Headings)

The place in the brain where some of the optic nerve fibers coming from one eye cross optic nerve fibers from the other eye.

(Optic chiasm, NCI Dictionary)