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出典:Wiktionary
Unadapted borrowing from Latin pyrifōrmis, ellipsis of mūsculus pyrifōrmis (“pear-shaped muscle”). Doublet of pyriform.
pyriformis (複数形 pyriformes)
From pyrum (“a pear”) + -fōrmis (“-form, -shaped”, adjectival suffix).
pyrifōrmis (neuter pyrifōrme); third-declension two-termination adjective (New Latin)
pyriformis