The cartilages are placed horizontally above each other, separated by narrow intervals. They measure about 4 mm in depth and 1 mm in thickness. Their outer surfaces are flattened in a vertical direction, but the internal are convex, the cartilages being thicker in the middle than at the margins.
A synthetic analog is a: synthetically created compound that differs from the Natural compound. Both in it's structure and function. Although probably very similar to the original compound.
Fentanyl, another synthetic drug, is an opiate prescription medication that is more than 80 times more potent than morphine, according to the DEA. Fentanyl is commonly prescribed as a transdermal (skin) patch for slow delivery of the medication to treat severe chronic pain.