The place in the brain where some of the optic
nerve fibers coming from one eye cross
optic nerve fibers from the other eye. Also called optic
chiasma.
chiasma (ky-AZ-muh)
An anatomy term for an X-shaped crossing (for example, of nerves or tendons).
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)nerve (nerv)
A bundle of fibers that receives and sends messages between the body and the brain. The messages are sent by chemical and electrical changes in the cells that make up the nerves.
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)optic nerve (OP-tik nerv)
The nerve that carries messages from the retina to the brain.
Source: The National Cancer Institute's Dictionary of Cancer Terms
(http://www.cancer.gov/dictionary)
