prefrontal adjective & noun. [pri:'frʌnt(ǝ)l] M19.
[from PRE- 2 + FRONTAL adjective, noun.]
Anatomy & Zoology.
A. adjective.
1. Situated in front of the frontal bone of the skull. M19.

2. Situated in or pertaining to the forepart of the frontal lobe of the brain. L19.
b. ellipt. as noun. A portion of the ethmoid, which forms a distinct bone in some reptiles, anurans, and fishes. M19.

[TahlilGaran] English Dictionary ▲