|—n , pl -gia|
|Compare megasporangium the structure in certain spore-bearing plants in which the microspores are formed: corresponds to the pollen sac in seed plants|
|microsporangium (mī'krō-spə-rān'jē-əm) Pronunciation Key
A plant structure in which microspores are formed. The pollen-producing male cones of a pine consist of many microsporangia, where the microspores of the pine develop into pollen grains to be dispersed.