Babyquaker is out in front with 8!
I'm impressed, but let's see if you're up to a little research.
1. One of 3 tissues that line the brain/spinal cord
2. Part of the hip joint
3. Bone near the collar bone
Whoever can get these three can be an honorary doctor for a day. (Sorry, no prescription pad privileges - smile. Oh yea, no real patients either. Gotta abide by those laws, you know).