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mesadenium

noun
mes·ade·ni·um | \-nēəm\
plural mesadenia\-nēə \

Definition of mesadenium 

: one of the accessory glands of mesodermal origin of male insects — compare ectadenium

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History and Etymology for mesadenium

New Latin, from mes- + Greek aden-, adēn gland + New Latin -ium

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