microsome

A small particle in the cytoplasm of a cell, typically consisting of fragmented endoplasmic reticulum to which ribosomes are attached.

Same as microsoma.

One of the minute granules found in the protoplasm of animal and plant cells and by some biologists regarded as the ultimate units of living matter. The microsomes of the nucleus are known as karyomicrosomes, those of the cytoplasm of the cell as cytomicrosomes. See cut under aster, 7.

a tiny granule in the cytoplasm of a cell; it consists of ribosomes bound to fragments of the endoplasmic reticulum and mitochondria.

A vesicle formed as an artifact of cell disruption

a tiny granule in the cytoplasm that is where protein synthesis takes place under the direction of mRNA