Where is the cis face of the Golgi apparatus located?

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Diagram of the Golgi apparatus showing its stacked, curved membranes with labeled parts including cisternae, cis face, trans face, lumen, and various vesicles involved in cellular transport and secretion. — Golgi apparatus A membrane-bound organelle of eukaryotic cells, the Golgi apparatus is made up of a series of flattened, stacked pouches called cisternae that function as a series of compartments that progressively refine and direct cellular products to their proper destinations. .

The cis face of the Golgi apparatus is located nearest to the endoplasmic reticulum. It serves as the receiving side of the organelle, where clusters of fused vesicles arrive to deliver proteins and lipids into the lumen of the cis cisternae for further processing and modification.1