tympanosquamous fissure
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Fissure — A cleft or groove. A fissure can be normal or abnormal. A fissure in the cerebral cortex is a normal feature. It is a deep fold that involves the entire thickness of the brain wall. A fissure in the anus is distinctly abnormal. It is a painful… … Medical dictionary
fissura — 1. SYN: fissure. 2. In neuroanatomy, a particularly deep sulcus of the surface of the brain or spinal cord. [L. fr. findo, to cleave] f. antitragohelicina [TA] a fissure in the auricular cartilage between the … Medical dictionary
fissura tympanosquamosa — [TA] tympanosquamous fissure: a line seen on the posterior wall of the external acoustic meatus at the junction between the tympanic and squamous parts of the temporal bone. Called also squamotympanic fissure … Medical dictionary
