optic chiasma
noun
: 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
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“Optic chiasma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optic%20chiasma. Accessed 22 Nov. 2024.
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