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In anatomy, a fissure (Latin fissura, plural fissurae) is a groove, natural division, deep furrow, elongated cleft, or tear in various parts of the body also generally called a sulcus, or in the brain a sulcus.

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TypesEdit

BrainEdit

SkullEdit

LiverEdit

Spinal cordEdit

LungEdit

OtherEdit

Abnormal fissureEdit

Fissure can also refer to an unnatural tract or ulcer, most commonly found in the anus and called an anal fissure.