- nounthe crossing of the optic nerves from the two eyes at the base of the brain
* * *nounsee optic chiasma
* * *optic chiasma or optic chiasm,the structure forming the intersection or crossing of the optic nerve fibers at the base of the brain.
Useful english dictionary. 2012.
Look at other dictionaries:
Optic chiasm — Brain: Optic chiasm Visual pathway with optic chiasm (X shape outlined, red) (1543 image from Andreas Vesalius Fabrica) Latin chiasma opticum Gray s … Wikipedia
optic chiasm — optic commissure the X shaped structure formed by the two optic nerves, which pass backwards from the eyeballs to meet in the midline beneath the brain, near the pituitary gland (see illustration). Nerve fibres from the nasal side of the retina… … The new mediacal dictionary
optic chiasm — noun The part of the brain where the optic nerves partially cross. Syn: optic chiasma … Wiktionary
optic chiasm — noun see optic chiasma … New Collegiate Dictionary
optic chiasm — chiasma opticum … Medical dictionary
optic commissure — optic chiasm … The new mediacal dictionary
optic chiasma — n the X shaped partial decussation on the undersurface of the hypothalamus through which the optic nerves are continuous with the brain called also optic chiasm * * * the X shaped structure formed by the two optic nerves, which pass backwards… … Medical dictionary
Chiasm — may refer to: Chiasm (musical project), an electronic music project by Emileigh Rohn Optic chiasm, the part of the brain where the optic nerves partially cross Chiasma (genetics), the point where two chromatids are intertwined (interwoven) in a… … Wikipedia
optic glioma — optic nerve glioma, optic pathway glioma a slow growing glioma of the optic nerve or optic chiasm heralded by loss of vision, often with secondary strabismus, followed by proptosis and loss of eye movement … Medical dictionary
Optic nerve — This article is about the anatomical structure. For the comic book series, see Optic Nerve (comic). For the album about David Wojnarowicz, see Optic Nerve (CD ROM). Nerve: Optic Nerve The left optic nerve and the optic tracts … Wikipedia