Transverse tubules. Tubules formed by invaginations of the sarcolemma and flanked by the sarcoplasmic reticulum. They carry action potentials deep into the muscle fiber. T tubules and SR provide tightly linked signals for muscle contraction.
Also known as Oxycodone, PercocetÂ® is in a group of drugs called narcotic pain relievers. Percocet Â® is a combination of an analgesic, colloquially known as a painkiller, an antipyretic, a drug used to lower the bodyâs temperature and a narcotic, a drug used primarily to induce sleep.
1 Sodium Percarbonate: Sodium percarbonate forms a white, crystalline-like powder that's used in many industrial cleaning products. 2  It's made up of sodium carbonate and hydrogen peroxide. 3  Sodium percarbonate is actually very environmentally friendly, since it breaks down into elements naturally occurring in nature.