I. ˈ ̷ ̷ ̷ ̷+ˌsōm noun
( -s )
1.
[New Latin mesosoma ]
: mesosoma
2.
[ mes- + -some (body)]
: the intromittent organ of a dipterous insect : aedeagus
II. noun
: an organelle of bacteria that appears in electron micrographs as an invagination of the plasma membrane and is a site of localization of respiratory enzymes