1. of, relating to, or characterized by a fissure or fissures; having cracks or splits
Usage: technical; formal
2. relating to or affecting a fissure in the brain or other anatomical structure
Usage: medical; anatomical

Examples

• The fissural pattern on the rock surface revealed its geological history.
• The patient's fissural anatomy was examined during the neurological assessment.
• Fissural deposits of minerals were discovered in the canyon walls.
• The fissural cortex of the brain contains important functional areas.
• Erosion created fissural pathways through the limestone formation.