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The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
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Optic chiasm
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In neuroanatomy, the optic chiasm, or optic chiasma, 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. The optic
Brain viewed from below; the front of the brain is above. Visual pathway with optic chiasm (X shape) is labelled "H" (image from Andreas Vesalius' Fabrica, 1543).
Brain viewed from below; the front of the brain is above. Visual pathway with optic chiasm (X shape) is labelled "H" (image from Andreas Vesalius' Fab
Brain and brainstem seen from below
Brain and brainstem seen from below
Left hemisphere of the brain seen in a cadaveric specimen from the side, with the optic chiasm labelled.
Left hemisphere of the brain seen in a cadaveric specimen from the side, with the optic chiasm labelled.
Cerebrum, inferior view, deep dissection.
Cerebrum, inferior view, deep dissection.
Visual system
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The visual system is the physiological basis of visual perception. The system detects, transduces and interprets information concerning light within the visible range to construct an image and build a
Optic chiasm
…pathway with optic chiasm (X shape) is labelled "H" (image from Andreas Vesalius' Fabrica, 1543). Optic nerves, chiasm, and optic tracts Details System Visual system Function Transmit visual information from the optic nerves to the occipital lobes of the brain Identifiers Latin chiasma opticum MeSH D009897 NeuroNames…
The eye is the sensory organ of the visual system. The iris, pupil, and sclera are visible
The eye is the sensory organ of the visual system. The iris, pupil, and sclera are visible
Representation of optic pathways from each of the 4 quadrants of view for both eyes simultaneously
Representation of optic pathways from each of the 4 quadrants of view for both eyes simultaneously
S. Ramón y Cajal, Structure of the Mammalian Retina, 1900
S. Ramón y Cajal, Structure of the Mammalian Retina, 1900
Information flow from the eyes (top), crossing at the optic chiasma, joining left and right eye information in the optic tract, and layering left and
Information flow from the eyes (top), crossing at the optic chiasma, joining left and right eye information in the optic tract, and layering left and right visual stimuli in the lateral geniculate nucleus. V1 in red at bottom of image. (1543 image from Andreas Vesalius' Fabrica)