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.
Pure calcium carbonate can be produced from marble, or it can be prepared by passing carbon dioxide into a solution of calcium hydroxide. In the later case calcium carbonate is derived from the mixture, forming a grade of product called precipitated calcium carbonate,â or PCC.