1. (noun) (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain

• anatomy
• general anatomy

1. (noun) (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain

• calcarine fissure
• calcarine sulcus
• central sulcus
• fissure of rolando
• rolando's fissure
• sulcus centralis
• fissure of sylvius
• lateral cerebral sulcus
• sulcus lateralis cerebri
• sylvian fissure
• parieto-occipital fissure
• parieto-occipital sulcus

1. (noun) (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain

• fissure