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Cytology

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Question:

Talk about the structure of the dictyosome.

Author: H K



Answer:

Divided functionally into distinct compartments. Cis-cisternae (convex) face differ from Trans-cisternae (concave face) differ from middle one. Each compartment has specific enzymes involved in synthesis and maturation of cell components (glycoproteins, glycolipids and polysaccharides) .In addition to wall delimited cisternae, there are tubular networks at both cis and trans side. cis-Golgi network and trans-Golgi network, play a key role in sorting of molecules (CGN sorts molecules that need to go back to RER from those that continue their export to cis. TGN segregates proteins into different vesicles directed to the diverse cell compartments.


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H K
H K