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Medical Definition of Fissura
1. Synonym: fissure. 2. In neuroanatomy, a particularly deep sulcus of the surface of the brain or spinal cord. Origin: L. Fr. Findo, to cleave (05 Mar 2000)
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1. Synonym: fissure. 2. In neuroanatomy, a particularly deep sulcus of the surface of the brain or spinal cord. Origin: L. Fr. Findo, to cleave (05 Mar 2000)