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 is the generic name for the drug in Percocet or Percodan. Hydrocodone is the generic form of the drug found in Vicodin, Lortab, Norco and Lorcet. Both are synthetic derivatives of the codeine molecule however oxy is always stronger than hydro in any situation.