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.
These kinds of questions are often asked about synthetic sapphires and synthetic alexandrites, too. In brief, a synthetic or lab-created emerald will have the same chemical, physical, and optical properties as a natural emerald. A lab-created emerald is a real emerald but not a natural emerald. Synthetic emeralds are some of the most expensive synthetic gems. The methods used to create them in labs require expensive equipment. The process is slow and energy intensive.