The sarcoplasmic reticulum (SR) of skeletal muscle cells is a convoluted structure composed of a variety of tubules and cisternae, which share a continuous lumen delimited by a single continuous membrane, branching to form a network that surrounds each myofibril.
Percocet is the brand name for the drug combination of oxycodone hydrochloride and acetaminophen. It is classified as a semisynthetic pure opioid agonist medication used for relief of moderate to moderately severe pain.
Oxycodone vs. Percocet. Diffen âº Health âº Medication âº Painkillers. Oxycodone is the generic name for the active ingredient in a painkiller; Percocet is a brand name for the combination of oxycodone with acetaminophen. Oxycodone and Percocet are both narcotic analgesics prescribed to relieve moderate to severe pain.