Thoracic diaphragm  From Wikipedia, the free encyclopedia
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search Respiratory system.svg Respiratory System Latin
Diaphragma Greek διάφραγμα Precursor Septum transversum,
pleuroperitoneal folds, body wall[1] Pericardiacophrenic artery,
Musculophrenic artery, Inferior phrenic arteries Superior
phrenic vein, Inferior phrenic vein phrenic and lower
intercostal nerves Gray's p.404 MeSH A02.633.567.900.300 TA
A04.4.02.001 FMA 13295 Anatomical terminology  In human anatomy,
the thoracic diaphragm, or simply the diaphragm (Ancient Greek:
διάφραγμα diáphragma "partition"), is a sheet of internal
skeletal muscle[2] that extends across the bottom of the
thoracic cavity. The diaphragm separates the thoracic cavity
containing the heart and lungs, from the abdominal cavity and
performs an important function in respiration: as the diaphragm
contracts, the volume of the thoracic cavity increases and air
is drawn into the lungs.  The term "diaphragm" in anatomy can