MICROANATOMY

Detailed explanation-1: -The endoplasmic reticulum (ER) is a network of intracellular membranes connected to the nuclear envelope, which surrounds a cell’s nucleus. It has interconnected tubules and parallel membranes that enclose fluid-filled cisterns (cavities).

Detailed explanation-2: -The stack of cisternae is known as the dictyosome. Membrane-bound vesicles derived from the ER fuse with one of the dictyosome cisternae known as the forming face. Materials carried by these vesicles may be processed within the dictyosome cisternae.

Detailed explanation-3: -The structure of the endoplasmic reticulum contains three regions namely, cisternae, vesicles, and tubules. Cisternae are long, flattened, and sac-like structures that are arranged parallelly in bundles inside the endoplasmic reticulum that consists of numerous macromolecules and small granules.