Turbit definition, one of a breed of domestic pigeons having a stout, roundish body, a short head and beak, and a ruffled breast and neck. See more. Dictionary.com
The anterior angle. Lesions that involve the anterior angle of the chiasm, the point at which the optic nerve passes into and forms the chiasm, may show a junctional scotoma (Traquair, 1949) since there is at this point separation of the crossing and uncrossed fibers.
Visual nerve pathways: The optic nerves serving the eyes join behind the eyes just in front of the pituitary gland to form a cross-shaped structure called the optic chiasma.Within the optic chiasma some of the nerve fibers cross.isual nerve pathways: The optic nerves serving the eyes join behind the eyes just in front of the pituitary gland to form a cross-shaped structure called the optic chiasma.