WebMay 25, 2024 · 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. It … WebOne such example is a pituitary tumor, which arises from the pituitary gland located near the base of the brain. This type of tumor can exert pressure on the optic nerve and optic chiasm, which is the area where the nerves from the two eyes merge. As a result, the tumor can cause various vision problems, such as blurry vision, double vision ...
Optic Chiasm - an overview ScienceDirect Topics
WebThe optic nerve from each eye carries impulses to the brain, where visual information is interpreted. Damage to an optic nerve or damage to its pathways to the brain results in loss of vision. At a structure in the brain called the optic chiasm, each optic nerve splits, and half of its fibers cross over to the other side. WebMay 12, 2024 · The optic chiasm is located in the front part of the brain. It lies directly in front of the hypothalamus, the part of the brain that controls body temperature, hunger … people wee in the car
Hemianopsia - PubMed
WebWe examined the retrochiasmatic space between the superior border of the pons and posterior edge of the optic chiasm in six randomly selected adult fresh brain specimens. One such marker, the transcription factor Pax2, is expressed at the midbrain-hindbrain boundary and in the cerebellum, spinal cord, retina, optic stalk, and optic chiasm ... WebEach optic nerve starts at its corresponding eye. However, midway through their journey to the brain, some of the axons in the optic nerves cross over at a specific location, called the optic chiasm (cue my sister’s confusion). For humans, the axons in the retina towards the outer part of our face don’t cross over. WebMar 31, 2015 · Optic tract. The optic tract is an extension of the optic nerve located in the brain. It begins at the area where information from the left eye and right eye cross (or “decussate”) to create a ... told speech