Lyra

lyra

1. (anatomy, dated) The middle portion of the ventral surface of the fornix of the brain; so called from the arrangement of the lines with which it is marked in the human brain.
• 1840, Alexander Tweedie, William Wood Gerhard, A system of practical medicine: Volume 1 (page 295)The vessels of the brain generally are often distended and gorged with blood, the lyra especially being fully injected.----