diaphragm

https://doi.org/10.1351/goldbook.10604

Dome-shaped muscular membranous partition separating the thoracic cavity from the abdominal cavity in mammals.

Note: The diaphragm plays a major role in breathing, as its contraction increases the volume of the thorax and so inflates the lungs.
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 744 [Terms] [Paper]
Citation: 'diaphragm' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.10604 RIS BibTex EndNote
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