Category Nuances matching cortex:

• cerebral,
• prefrontal,
• temporal,
• thin,

Members for simple category cortex:

• prefrontal_cortex,
• amygdala,
• hypothalamus,
• hippocampus,
• thalamus,
• basal_ganglion,
• visual_cortex,
• cerebellum,
• cancellous_bone,
• brainstem,
• anterior,
• cobblestone_cortex,
• rib,
• scapula,
• language_cortex,
• auditory_cortex,
• bone,