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In neuroanatomy, the optic chiasm, or optic chiasma ( / ɒptɪk kaɪæzəm /; from Greek χίασμα 'crossing', from Ancient Greek χιάζω 'to mark with an X '), is the part of the brain where the optic nerves cross. It is located at the bottom of the brain immediately inferior to the hypothalamus. [1] .
- chiasma opticum
- D009897
- Transmit visual information from the optic nerves to the occipital lobes of the brain
- Visual system
Apr 3, 2024 · The optic chiasm or chiasma is the midline structure where the nasal (medial) fibers of the optic nerves decussate to continue posteriorly as the optic tracts. It lies in the chiasmatic cistern and along with the pituitary stalk, is completely encircled by the circle of Willis.
Oct 30, 2023 · 1/11. Synonyms: Optic chiasma. Fibers of the optic nerve (CN II) extend posteriorly from each eye and intersect within the middle cranial fossa, forming the optic chiasm. The optic chiasm is located at the base of the brain, just anterior and superior to the location of the pituitary gland.
- Content Manager
- 11 min
May 1, 2023 · The optic chiasm, or optic chiasma, is the part of the brain where the optic nerves cross and is therefore of primary importance to the visual pathway. It is located at the base of the brain inferior to the hypothalamus, and approximately 10 mm superior to the pituitary gland within the suprasellar cistern.
- Ashley C. Ireland, Iverson B. Carter
- 2023/05/01
- 2019
Definition. The Optic Chiasma ( chiasma opticum ), somewhat quadrilateral in form, rests upon the tuberculum sellæ and on the anterior part of the diaphragma sellæ. It is in relation, above, with the lamina terminalis; behind, with the tuber cinereum; on either side, with the anterior perforated substance.
May 25, 2022 · Eye Anatomy. The Optic Chiasm and How It Affects Vision. Our optic nerves cross inside our brains. By Troy Bedinghaus, OD. Updated on May 25, 2022. Medically reviewed by Bryan M. Wolynski, OD. Print. The optic chiasm is an X-shaped structure formed by the crossing of the optic nerves in the brain. The optic nerve connects the brain to the eye.
Jan 22, 2018 · Nervous System. Brain. Optic chiasma. The optic chiasm or optic chiasma is an X-shaped space, located in the forebrain, directly in front of the hypothalamus. Crucial to vision, the left and...
![[Figure, Optic chiasm Image courtesy Dr Chaigasame] - StatPearls - NCBI ...](https://images.search.yahoo.com/search/images?p=kiasma+optikum&ei=UTF-8&r=web_filter&_tsrc=apple&th=102.7&tw=109.1&imgurl=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fbooks%2FNBK549919%2Fbin%2Foptic__chiasm.jpg&rurl=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fbooks%2FNBK549919%2Ffigure%2Farticle-43127.image.f4%2F&size=79KB&name=%5BFigure%2C+Optic+chiasm+Image+courtesy+Dr+Chaigasame%5D+-+StatPearls+-+NCBI+...&oid=6&h=491&w=521&turl=https%3A%2F%2Ftse1.mm.bing.net%2Fth%3Fid%3DOIP.2Fvp94TsZR4xrG7fy7VL9gHaG-%26pid%3DApi%26rs%3D1%26c%3D1%26qlt%3D95%26w%3D109%26h%3D102&tt=%5BFigure%2C+Optic+chiasm+Image+courtesy+Dr+Chaigasame%5D+-+StatPearls+-+NCBI+...&sigr=ng9Ok0dAhzZx&sigit=Blz4L9LMNUiC&sigi=kTKWgCM9vzjk&sign=j4rKa8TgaiTY&sigt=j4rKa8TgaiTY "[Figure, Optic chiasm Image courtesy Dr Chaigasame] - StatPearls - NCBI ...")
