Transmission electron micrograph of a portion of a type II alveolar cell from an aged guinea pig showing unusual protein within the RER.
Species: cobaya
Gender: male
Weight: 250-500g
Subspecies or gene: Hartley white short hair air and vitamin C lung type II cell intracisternal bodies, ribosomes, lamellar bodies
Organ: mid ventral right lobe lung
Tissue: lung
Component: unusual proteins, probably surfactant proteins within the RER
Grouped: intracisternal protein
Accelerating voltage: 60kv
Stain 1: 1% osmium tetroxide
Stain 2: lead citrate and uranyl acetate
Embed: Spurr's resin or epon 812
Section: 50-100 nm thick
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