Cisternae

Hi there, Just a quick question on the Golgi Body (assuming maturation model)... My text book says vesicles fuse with each other and then the cis-cisternae after budding from the rough ER. But what exactly is the cis-cisternae? Purely a collection of vesicles early in the maturation process?...or ...

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who said they are? a secretory cell would have a well developed golgi apparatus and endoplasmic reticulum. Lysosome is derived from Golgi's cisternae (budding), and this substances processed in this place come from ER.

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... controls their export, as well. The transport vesicles from the Endoplasmic Reticulum (ER) fuse with the cis face of the Golgi apparatus (to the cisternae) and empty their protein content into the Golgi lumen. The proteins are then transported through the medial region toward the trans face and ...

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Yeah, I am agree with Victor. I read it too. Golgi Apparatus or Golgi complex or Golgi body is the sum of cisternae (flattened sacks or Golgi stacks) and vesicles that bud from them. And it is in animal cell as far as I know.

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Secretory granules or lysosomes or vesicles are generated from the budding of cis-Golgi cisternae. They locate in cytoplasm. They will directed to the plasma membrane by cytoskeleton to undergo exocytosis.

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