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.
The body length averages about 132 cm (52 in). The standard linear measurements of the whooping cranes are a wing chord length of 53â63 cm (21â25 in), an exposed culmen length of 11.7â16 cm (4.6â6.3 in) and a tarsus of 26â31 cm (10â12 in).he body length averages about 132 cm (52 in). The standard linear measurements of the whooping cranes are a wing chord length of 53â63 cm (21â25 in), an exposed culmen length of 11.7â16 cm (4.6â6.3 in) and a tarsus of 26â31 cm (10â12 in).