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.
To answer this question, letâs look at some facts. The average starlet is wearing a size 2 or 4 which is the sample size designers are making presently. Today, the average American woman is 5â4â³, has a waist size of 34-35 inches and weighs between 140-150 lbs, with a dress size of 12-14. Fifty years ago, the average woman was 5â3-4â³ with a waist size of approximately 24-25â³, she weighed about 120 lbs and wore a size 8.