Definitions

portal fissure

Fissure

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In anatomy, fissure (Latin fissura, Plural fissurae) is a groove, natural division, deep furrow, cleft, or tear in various parts of the body.

Anatomy

Various types of anatomical fissure are:

Brain

Skull

Liver

Other

Abnormal fissure

Fissure can also mean unnatural tract or ulcer, most commonly found in the anus. One of the most common types of fissure is anal fissure.

Other fissures

  • Fissure vent: a volcanic vent that does not include explosive activity.

See also

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