In neuroanatomy, the optic chiasm, or optic chiasma ( /ɒptɪk kaɪæzəm/; from Greek χίασμα 'crossing', from Ancient Greek χιάζω 'to mark with an X'), is...

groove (optic groove), above and behind which lies the optic chiasma; the groove ends on either side in the optic foramen, which transmits the optic nerve...

Retina→Optic nerve→Optic chiasma (here the nasal visual field of both eyes cross over to the opposite side)→Optic tract→Lateral geniculate body→Optic radiation→Primary...

cell axons and glial cells; it extends from the optic disc to the optic chiasma and continues as the optic tract to the lateral geniculate nucleus, pretectal...

The eye, especially the retina The optic nerve The optic chiasma The optic tract The lateral geniculate body The optic radiation The visual cortex The visual...

nerval chiasm, where either two nerves cross in the body midline (e.g. Optic chiasma) A crossing of fibres inside a nerve reversing their mapping A tendinous...

ventricle, immediately above the optic chiasma, the ventricle presents a small angular recess or diverticulum, the optic recess (or supraoptic recess)....

visual cortex. Occupying the posterior part of the commissure of the optic chiasma is a strand of fibers, the Ventral supraoptic decussation (commissure...

lies in between the inner and outer layers of dura mater. Above: optic tract, optic chiasma, internal carotid artery. Inferiorly: foramen lacerum, and the...

the brain from retinal ganglion cells via the optic nerve to the optic chiasma: a point where the two optic nerves meet and information from the temporal...

eyes. When the neurons pass from the retina to the brain and reach the optic chiasma, some cross and some do not, so that visual images are projected to...

sides) decussate (cross to the other side of the brain) through the optic chiasma (khiasma means "cross-shaped"). RGCs from the outer half of each retina...

the nose) half. The axons from the nasal half cross the brain at the optic chiasma to join with axons from the temporal half of the other eye before passing...

the caudal tip of the spinal cord into a rostral end roughly at the optic chiasma. In the erect Man, the directional terms "superior" and "inferior" essentially...

the cerebellum and 50% of all neurons are held within its structure. The optic tectum allows actions to be directed toward points in space, most commonly...

lesion in the center of the optic chiasma causes bitemporal hemianopia A lesion to the optic tract, or involving the complete optic radiation causes homonymous...

decussation. In neuroanatomy, the term chiasma is reserved for crossing of- or within nerves such as in the optic chiasm. In botanical leaf taxology, the...

inferior recesses, and his account of the nerves is confused by regarding the optic as the first pair, the third as the fifth, and the fifth as the seventh...

provided as below: Optic nerve damage on the left (e.g. transection of left optic nerve, CN II, somewhere between retina and optic chiasma, therefore damaging...

Andreas Vesalius Fabrica, published in 1543, showing the base of the human brain, including optic chiasma, cerebellum, olfactory bulbs, etc....

above and behind which lies the optic chiasma; the groove ends on either side in the optic foramen, which transmits the optic nerve and ophthalmic artery...

fossa is in front by the optic chiasma, behind by the antero-superior surface of the pons, antero-laterally by the converging optic tracts, and postero-laterally...

was later found to have a "large pituitary adenoma that involved the optic chiasma". Thus the problem appears to be neurological. Specifically, it is thought...

The lamina terminalis is a layer of gray matter that connects the optic chiasma and the anterior commissure. The septal nuclei in the septal area are...

of the optic nerve by the tumor. The specific area of the visual pathway at which compression by these tumours occurs is at the optic chiasma. The anatomy...

instrumental in voluntary movement and sensation. He discovered the optic chiasma by anatomical studies of the brain. He stressed taking a history of...

previously unknown ependymall structure adjacent to the rostral part of the optic chiasma referred to as the ‘organon vasculare praeopticum’. It may be considered...

nerviosas. (Structure of the Chiasma opticum and general theory of the crossing of nerve tracks)" [Die Structur des Chiasma opticum nebst einer allgemeine...

nerves show chiasmas: (1) the chiasm of the optic tract (i.e., cranial nerve II), which originates from the eyes and inserts on the optic tectum of the...

nerviosas. (Structure of the Chiasma opticum and general theory of the crossing of nerve tracts)" [Die Structur des Chiasma opticum nebst einer allgemeine...