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:
... over, there are 82.9 males.
The median income for a household in the town is $47,500, and the median income for a family is $35,893. Males have a median income of $32,292 ...