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. T tubules at each A band/I band junction-continuous with the sarcolemma.
Standard Sizes of Sofas. Sofas vary in size, from 6 to 8 feet long and 32 to 40 inches deep for a standard size sofa, to 4 to 6 feet long and 28 to 30 inches deep for a loveseat.The actual depth of the seating area is reduced by the depth of the sofa's arms and back of the sofa.ofas vary in size, from 6 to 8 feet long and 32 to 40 inches deep for a standard size sofa, to 4 to 6 feet long and 28 to 30 inches deep for a loveseat.
Our traditional loveseats combine elegant designs with rich colors, such as chocolate, copper, terracotta, and toffee. We also offer various style options, and customers may find charming reclining and sleeper loveseats. Many of our designer loveseats fit nicely as part of larger living room sets. Purchase a loveseat as part of a living room set or as a solo piece to provide additional seating and no-guilt comfort for one, two, or as many people as you can fit. We offer designer pillows to add even more color and comfort to our loveseats.