Last Updated:2025/11/19
(anatomy) In mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs; also called thoracic diaphragm.
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diaphragm
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diaphragm
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Noun
Japanese Meaning
横隔膜:哺乳類において、胸腔と腹腔を隔てる筋肉で、呼吸時に収縮・弛緩することで肺内への空気の取り込みおよび排出を助ける
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( plural )