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.
What are the dimensions of a love seat? A: A standard love seat is approximately 64 inches wide, 36 inches high and 38 inches deep. While there is no standard template for a love seat's size, the dimensions do tend to fall within a narrow range. Continue Reading. A love seat is a smaller size sofa intended to seat just two people. Different manufacturers use slightly different measurements for love seats, and sizes sometimes even differ from model to model within one manufacturer's line.