suprameatal triangle

su·pra·me·a·tal tri·an·gle

[TA] a triangle formed by the suprameatal spine, the inferior temporal line, and the vertical tangent to the posterior wall of the bony external auditory canal; used as a guide in mastoid operations to the mastoid antrum because the antrum lies directly medial to the suprameatal triangle. Synonym(s): foveola suprameatica [TA], foveola suprameatalis ☆ , Macewen triangle, mastoid fossa, fossa mastoidea, supramastoid fossa, suprameatal pit

su·pra·me·a·tal tri·an·gle

(sū'pră-mē-ā'tăl trī'ang-gĕl) [TA] A triangle formed by the root of the zygomatic arch, the posterior wall of the bony external acoustic meatus, and an imaginary line connecting the extremities of the first two lines; used as a guide in mastoid operations.
Synonym(s): Macewen triangle.

suprameatal triangle

The triangle slightly above and behind the exterior auditory meatus. It is bounded above by the root of the zygoma and anteriorly by the posterior wall of the exterior auditory meatus. See also: triangle

Macewen,

Sir William, Scottish surgeon, 1848-1924. Macewen classificationMacewen drillMacewen herniorrhaphyMacewen operationMacewen osteotomyMacewen sawMacewen sign - percussion of the skull gives a cracked-pot sound in cases of hydrocephalus. Synonym(s): Macewen symptomMacewen symptom - Synonym(s): Macewen signMacewen triangle - Synonym(s): suprameatal triangle

单词	suprameatal triangle
释义	DictionarySeetriangleEncyclopediaSeemastoid fossa suprameatal triangle su·pra·me·a·tal tri·an·gle [TA] a triangle formed by the suprameatal spine, the inferior temporal line, and the vertical tangent to the posterior wall of the bony external auditory canal; used as a guide in mastoid operations to the mastoid antrum because the antrum lies directly medial to the suprameatal triangle. Synonym(s): foveola suprameatica [TA], foveola suprameatalis ☆ , Macewen triangle, mastoid fossa, fossa mastoidea, supramastoid fossa, suprameatal pit su·pra·me·a·tal tri·an·gle (sū'pră-mē-ā'tăl trī'ang-gĕl) [TA] A triangle formed by the root of the zygomatic arch, the posterior wall of the bony external acoustic meatus, and an imaginary line connecting the extremities of the first two lines; used as a guide in mastoid operations. Synonym(s): Macewen triangle. suprameatal triangle The triangle slightly above and behind the exterior auditory meatus. It is bounded above by the root of the zygoma and anteriorly by the posterior wall of the exterior auditory meatus. See also: triangle Macewen, Sir William, Scottish surgeon, 1848-1924. Macewen classificationMacewen drillMacewen herniorrhaphyMacewen operationMacewen osteotomyMacewen sawMacewen sign - percussion of the skull gives a cracked-pot sound in cases of hydrocephalus. Synonym(s): Macewen symptomMacewen symptom - Synonym(s): Macewen signMacewen triangle - Synonym(s): suprameatal triangle
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