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prefrontal

American  
[pree-fruhn-tl] / priˈfrʌn tl /

adjective

Anatomy.
  1. anterior to, situated in, or pertaining to the anterior part of a frontal structure.


prefrontal British  
/ priːˈfrʌntəl /

adjective

  1. situated in, involving, or relating to the foremost part of the frontal lobe of the brain

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of prefrontal

First recorded in 1850–55; pre- + frontal