They appear to be deep in nature as I can't see the end near the surface. I would really appreciate it. The area where the helix is attached to the face is known as the helical root. If this process is something less than perfect, any number of external ear anomalies may result. They are skin-lined and are typically less than one inch in depth.
Pits are significant for two reasons.
First, pits can become infected. This can be treated with antibiotics, of course, but if the pit keeps getting infected you would probably want to have it surgically removed. This can be done under local anesthesia. You must make sure that your surgeon is familiar with pits. An ear, nose and throat surgeon would be the best choice for this procedure, since we all have experience with pits.