Medical Questions! Help thx 10 point best answer!?

Question

A doctor who studies diseases of the bones?

~11 letters. 3rd letter a T

What is a term for under the skin?

~12 letter word

~ last 6 letters are ANEOS

Thanks alot

Answer 1

orthopaedist(yes the spelling is correct)

subcutaneous

Answer 2

the epidermis is under da skin  

Answer 3

1. Osteologist

2. Subcutaneous