Inferior thoracic aperture

From Wikipedia, the free encyclopedia

The inferior thoracic aperture is much larger than the superior thoracic aperture. It is closed by the diaphragm, which separates the thoracic and abdominal cavities. The inferior thoracic aperture is bounded by: the 12th thoracic vertebra, 11th and 12th pairs of ribs, costal cartilages of ribs 7 through 10, and the xiphisternal joint - (ie: the articulation between the xiphoid process and the inferior border of the sternal body).

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General anatomy of torso

Thorax: Mediastinum (Superior, Anterior, Middle, Posterior) - Superior thoracic aperture - Inferior thoracic aperture - Triangle of auscultation - Intercostal space

Thoracic diaphragm: Caval opening - Esophageal hiatus - Aortic hiatus - Central tendon

Abdomen: McBurney's point - Lumbar triangle

Perineum: Urogenital triangle - Anal triangle - Superficial perineal pouch - Perineal membrane - Deep perineal pouch - Urogenital diaphragm - Superior fascia of the urogenital diaphragm - Ischiorectal fossa - Pudendal canal

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