Learn how to say Prefrontal correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word prefrontal:
1 Anatomy in or relating to the foremost part of the frontal lobe of the brain:
the prefrontal cortex
2 Zoology relating to or denoting a bone in front of the eye socket in some lower vertebrates (equivalent to part of the human ethmoid bone).
a prefrontal bone.