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  2. Thoracic diaphragm - Wikipedia

    en.wikipedia.org/wiki/Thoracic_diaphragm

    Structure of diaphragm shown using a 3D medical animation still shot. The thoracic diaphragm, or simply the diaphragm (/ ˈ d aɪ ə f r æ m /; [1] Ancient Greek: διάφραγμα, romanized: diáphragma, lit. 'partition'), is a sheet of internal skeletal muscle [2] in humans and other mammals that extends across the bottom of the thoracic ...

  3. Crus of diaphragm - Wikipedia

    en.wikipedia.org/wiki/Crus_of_diaphragm

    The crus of diaphragm (pl.: crura), refers to one of two tendinous structures that extends below the diaphragm to the vertebral column. There is a right crus and a left crus, which together form a tether for muscular contraction. They take their name from their leg-shaped appearance – crus meaning leg in Latin.

  4. Median arcuate ligament - Wikipedia

    en.wikipedia.org/wiki/Median_arcuate_ligament

    The median arcuate ligament is formed by the right and left crura of the diaphragm. [1] The crura connect to form an arch, behind which is the aortic hiatus , through which pass the aorta , the azygos vein , and the thoracic duct .

  5. Diaphragma sellae - Wikipedia

    en.wikipedia.org/wiki/Diaphragma_sellae

    The diaphragma sellae or sellar diaphragm is a small, circular sheet of dura mater forming an (incomplete) roof over the sella turcica and covering the pituitary gland lodged therein. The diaphragma sellae forms a central opening to accommodate the passage of the pituitary stalk (infundibulum) [ 1 ] which interconnects the pituitary gland and ...

  6. Diaphragm (structural system) - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_(structural_system)

    The diaphragm of a structure often does double duty as the floor system or roof system in a building, or the deck of a bridge, which simultaneously supports gravity loads. [1] Parts of a diaphragm include: [2] the collector (or membrane), used as a shear panel to carry in-plane shear

  7. Sternocostal triangle - Wikipedia

    en.wikipedia.org/wiki/Sternocostal_triangle

    The sternocostal triangle (foramina of Morgagni, Larrey's space, sternocostal hiatus, etc. [1]) are small zones lying between the costal and sternal attachments of the thoracic diaphragm. No vascular elements are present within this space. [2] The borders of this space are: Medial: the lateral border of the sternal part of the diaphragm

  8. Aortic hiatus - Wikipedia

    en.wikipedia.org/wiki/Aortic_hiatus

    The aortic hiatus is a midline [1]: 185 opening in the posterior part of the diaphragm giving passage to the descending aorta as well as the thoracic duct, and variably the azygos and hemiazygos veins. [2] It is the lowest and most posterior of the large apertures. [citation needed]

  9. Esophageal hiatus - Wikipedia

    en.wikipedia.org/wiki/Esophageal_hiatus

    The esophageal hiatus is an oval opening [1] in (sources differ) the right crus of the diaphragm [1] /left crus of the diaphragm, with fibres of the right crus looping around the hiatus to form a sling (upon inspiration, this sling would constrict the esophagus, forming a functional (not anatomical) sphincter that prevents gastric contents from refluxing up the esophagus when intra-abdominal ...

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