Some large dense core vesicles may also form the tubular structures which may represent smooth endoplasmic reticulum containing dense material.
大颗粒小泡也可由含致密物质的平滑内质网样的管状结构形成。
The cell plasma of fascicular zone contained a great deal of mitochondria, smooth endoplasmic reticulum and lipid droplets observed by transmission electron microscopy.