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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
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 ...
In mechanics, a diaphragm is a sheet of a semi-flexible material anchored at its periphery and most often round in shape. It serves either as a barrier between two chambers, moving slightly up into one chamber or down into the other depending on differences in pressure , or as a device that vibrates when certain frequencies are applied to it.
The phrenoesophageal ligament (phrenicoesophageal ligament, or phrenoesophageal membrane) is the ligament by which the esophagus is attached to the diaphragm. It is an extension of the inferior diaphragmatic fascia and is divided into an upper and lower limb which attach to the superior and inferior surfaces of the diaphragm respectively at the ...
The central tendon of the diaphragm is a thin but strong aponeurosis situated slightly anterior to the vault formed by the muscle, resulting in longer posterior muscle fibers. It is inferior to the fibrous pericardium , which fuses with the central tendon of the diaphragm via the pericardiacophrenic ligament .
An abutment is the substructure at the ends of a bridge span or dam supporting its superstructure. [1] Single-span bridges have abutments at each end that provide vertical and lateral support for the span, as well as acting as retaining walls to resist lateral movement of the earthen fill of the bridge approach.
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The lumbocostal triangle (also Bochdalek's foramen, Bochdalek's triangle) is a space between the costal and lumbar parts of the diaphragm.The base of this triangular space is formed by muscle attachments originating from the XII rib and muscle fibers attaching to the lateral arcuate ligament.