Layers of Endoplasmic reticulum with attached ribosomes Plasma cells Because of developed attached ribosomes in cytoplasma, plasma cells is stained blue or basophilic in HE staining
Because of developed attached ribosomes in cytoplasma, plasma cells is stained blue or basophilic in HE staining. Layers of Endoplasmic reticulum with attached ribosomes
(3)Endoplasmic Reticulum (ER) Connecting and branching channels made by a continuous membrane ☐Classification Rough Endoplasmic Reticulum (RER) Smooth Endoplasmic Reticulum (SER)
(3)Endoplasmic Reticulum (ER) (3)Endoplasmic Reticulum (ER) Connecting and branching channels made Connecting and branching channels made by a continuous membrane by a continuous membrane Classification Classification Rough Endoplasmic Reticulum (RER) Rough Endoplasmic Reticulum (RER) Smooth Endoplasmic Reticulum (SER) Smooth Endoplasmic Reticulum (SER)
Rough Endoplasmic Reticulum (RER) Distribution:cells specialized for protein secretion ▣Structure Saclike and parallel stacks of flattened cisternae Polyribosomes on the cytosolic surface Function synthesiz proteins Intracellular storage (eg,in lysosomes) intracellular storage of proteins for export (eg,in pancreas) a component of other membranes (eg,integral proteins) Post-translational modifications of newly formed polypeptides
Rough Endoplasmic Reticulum (RER) Rough Endoplasmic Reticulum (RER) Distribution: cells speciali Distribution: cells specialized for protein secretion zed for protein secretion Structure Structure Saclike and parallel stacks of flattened Saclike and parallel stacks of flattened cisternae cisternae Polyribosomes Polyribosomes on the cytosolic cytosolic surface surface Function Function synthesiz synthesiz proteins proteins Intracellular storage ( Intracellular storage (eg, in lysosomes lysosomes ) intracellular storage of proteins for export ( intracellular storage of proteins for export (eg, in pancreas) pancreas) a component of other membranes ( a component of other membranes (eg, integral proteins) , integral proteins) Post -translational modifications of newly formed translational modifications of newly formed polypeptides polypeptides
Rough Endoplasmic Reticulum (RER) 3-D 2-D Saclike and parallel stacks of flattened cisternae Polyribosomes on the cytosolic surface It should be kept in mind that the cisternae appear separated in sections made for electron microscopy,but they form a continuous tunnel in the cytoplasm
Rough Endoplasmic Reticulum (RER) Rough Endoplasmic Reticulum (RER) Saclike and parallel stacks of flattened cisternae Polyribosomes on the cytosolic surface It should be kept in mind that the cisternae appear separated in sections made for electron microscopy, but they form a continuous tunnel in the cytoplasm. 3-D 2-D