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.
What Is Percocet? Percocet is the brand name for a painkiller containing both oxycodone and acetaminophen. It's a controlled substance, available by prescription only, and can be formulated in a variety of strengths. Most forms of Percocet contain between 2.5 and 10 milligrams (mg) of oxycodone hydrochloride, and 325 to 650 mg of acetaminophen. Percocet reduces pain through each of its primary substances: Oxycodone is a morphine-like substance that acts on the nervous system to change the brainâs perception of pain.