aortic vestibule


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Related to aortic vestibule: aortic orifice

a·or·tic ves·ti·bule

[TA]
the anterosuperior portion of the left ventricle of the heart immediately below the aortic orifice, having fibrous walls and affording room for the segments of the closed aortic valve.

a·or·tic ves·ti·bule

(ā-ōr'tik ves'ti-byūl) [TA]
The anterosuperior portion of the left ventricle of the heart immediately below the aortic orifice, having fibrous walls and affording room for the segments of the closed aortic valve.

Sibson,

Francis, English anatomist, 1814-1876.
Sibson aortic vestibule - the anterosuperior portion of the left ventricle of the heart immediately below the aortic orifice. Synonym(s): aortic vestibule
Sibson aponeurosis - Synonym(s): suprapleural membrane
Sibson fascia - Synonym(s): suprapleural membrane
Sibson groove - a groove occasionally seen on the outer side of the thorax, formed by the prominent lower border of the pectoralis major muscle.
Sibson muscle - an occasional independent muscular fasciculus between the scalenus anterior and medius and having the same action and innervation. Synonym(s): scalenus minimus muscle