[evolutionarily old area of olfactory system; composed of prepyriform and pyriform cortex plus the cortical portion of the amygdaloid nuclei; only area of cerebral cortex where sensory signals pass directly without first going through the thalamus. ( CSP )]
UMLS (CSP) C0596825 - Body Part, Organ, or Organ Component
Relation/PAR: olfactory gyrus