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prefrontal

Syllabification: pre·fron·tal
Pronunciation: /ˌprēˈfrən(t)l
 
/

Definition of prefrontal in English:

adjective

[attributive]
1 Anatomy In or relating to the foremost part of the frontal lobe of the brain: the prefrontal cortex
More example sentences
  • Six months later, the researchers found, the subjects who showed the most activity in the brain's right prefrontal cortex also had the lowest antibodies.
  • The scientists found that an area of the brain called the ventrolateral prefrontal cortex, located near our temples, processes spatial information - information related to movements that we are about to make.
  • The scans also showed decreased activation of the ventrolateral prefrontal cortex - the brain's ‘superego,’ which keeps people from acting impulsively.
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).
Example sentences
  • At least three pairs of horns are present on this animal, one on each premaxilla, prefrontal, and angular bones of the skull.

noun

Zoology Back to top  
A prefrontal bone.
Example sentences
  • Viewed dorsally, this ridge is most of the prefrontals ' contribution to the skull roof.
  • This is also true for the prefrontal of Phosphatosaurus, based on the reconstruction published by Buffetaut.

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