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cranial nerve II

^ http://purl.obolibrary.org/obo/UBERON_0000941

Cranial nerve fiber tract which is comprised of retinal ganglion cell axons running posterior medially towards the optic chiasm, at which some of the axons cross the midline and after which the structure is termed the optic tract. Transmits visual information from the retina to the brain[ZFA]. [ http://openisbn.com/search.php?q=0471209627&isbn=1/ http://openisbn.com/search.php?q=0471888893&isbn=1/ ]

Synonyms: optic II, second cranial nerve, 02 optic nerve, optic nerve [II], nervus opticus, nervus opticus [II], cranial II, optic II nerve

Term info

database cross reference
  • MA:0001097
  • NCIT:C12761
  • UMLS:C0029130 (BIRNLEX:1640)
  • EFO:0004258
  • CALOHA:TS-0713
  • AAO:0010345
  • SCTID:180938001
  • HBA:9307
  • TAO:0000435
  • EHDAA2:0001313
  • DHBA:15544
  • UMLS:C0029130 (ncithesaurus:Optic_Nerve)
  • BAMS:nII
  • ZFA:0000435
  • EHDAA:6788
  • BIRNLEX:1640
  • MESH:D009900
  • BAMS:IIn
  • XAO:0000188
  • EMAPA:17575
  • neuronames:289 (BIRNLEX:1640)
  • BAMS:2n
  • Wikipedia:Optic_nerve
  • FMA:50863
  • MBA:848
  • VHOG:0000543
  • GAID:831
Subsets

uberon_slim, efo_slim, pheno_slim, vertebrate_core

UBPROP 0000001

A collection of nerve cells that project visual information from the eyes to the brain. (Source: BioGlossary, www.Biology-Text.com)[TAO], Fibrous, somatic sensory element covered by a fibrous connective-tissue sheath and is continuous with the layer of nerve cells on the inner surface of the eye.[AAO]

UBPROP 0000003

(...) an essentially similar sequence of events occurs during the embryonic development of the vertebrate eye. The eye initially develops as a single median evagination of the diencephalon that soon bifurcates to form the paired optic vesicles. As each optic vesicle grows towards the body surface, its proximal part narrows as the optic stalk, and its distal part invaginates to form a two-layered optic cup (reference 1); The (optic) stalk persists as the optic nerve (reference 2).[well established][VHOG]

UBPROP 0000012

(relaion to eye): MA, XAO, AAO and BTO consider this part of the eye. This is in contrast to GO, FMA, EHDAA2 (FMA has a class 'intra-ocular part of optic nerve' which represents the region of overlap). Relation to brain: part of diencephalon in EHDAA2, ZFA. In NIF, has the optic nerve root as part, which is a feature part of the diencphalon

editor note

Do not classify under 'cranial nerve', as this is not a true nerve - should be classified as evaginated sensory afferent[ISBN:0471888893]

has related synonym

CN-II, nerve II, optic

has broad synonym

2n, optic nerve

id

UBERON:0000941

prefLabel

cranial nerve II, Optic nerve