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.
Diffen âº Health âº Medication âº Painkillers. While Percocet is used to treat moderate to severe short-term pain, Vicodin can also be prescribed for chronic pain or to control extreme cough. They are both narcotic pain killers with a risk of dependency and abuse and are not available over the counter.