In biology, particularly cell biology, the term organelle is used to describe any one of a number of types of subcellular structures, historically identified through the use of some form of microscopy.
A few large organelles probably originated from endosymbiont bacteria:
... there are 108.7 males.
The median income for a household in the town is $50,759, and the median income for a family is $62,250. Males have a median income of $38,036 versus ...