43+ Brain Diagram Optic Chiasm Background. The optic chiasm, or optic chiasma, is the part of the brain where the optic nerves cross. 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.

The Optic Nerve (CN II) and Visual Pathway - TeachMeAnatomy
The Optic Nerve (CN II) and Visual Pathway – TeachMeAnatomy from teachmeanatomy.info

It is one of two nerves that do not join with the brainstem (the other being the olfactory nerve). The optic chiasm is the part of the brain where the optic nerves partially cross. 'the normal' is an imaginary line drawn on a ray diagram perpendicular to, so at a right angle to (900), to the boundary between two media!

The optical tract passes to wrap around the hypothalamus and diencephalon laterally and caudally.

Almost all the cases reported in the. The optic chiasm or optic chiasma is the part of the brain where the optic nerves (cn ii) partially cross. Symmetric in three and asymmetric in two (figs. The optic chiasm is located at the bottom of the brain immediately below the hypothalamus.

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