Ab-
From, away from (abduction)
Bi-
Twice, double
Exo-
Denotes something as “outside” another (exoskeleton)
Hyper-
Beyond normal (hypertension)
Hypo-
Below normal (hypotension)
Supra-
Above (supraspinatus)
Infra-
Below (infraspinatus)
-itis
Inflammation (tonsillitis)
Peri-
Something surrounding or around another (periosteum)
Myo-
Muscle (myoblast)
Ost-
Bone (osteoporosis)
Chondro-
Cartilage (chondroblast)
-blast
Denoting an immature cell (osteoblast)
-cyte
Denoting a mature muscle cell (osteocyte)
Ad-
To, toward