os·te·on 
(ŏstē-ŏn′)
(ŏstē-ŏn′)n.
A structural unit of bone consisting of a haversian canal and corresponding lamellae of compact bone. Also called haversian system.
[German Osteon, from Greek osteon, bone; see ost- in the Appendix of Indo-European roots.]
- polymerase
- polymerase chain reaction
- polymeric
- polymerically
- polymerism
- polymerization
- polymerize
- polymerous
- Polymnia
- Polymnia
- polymorph
- polymorphic
- polymorphism
- polymorphonuclear
- polymorphous
- polymorphously
- polymorphous perverse
- polymyxin
- Polynesia
- Polynesian
- polyneuritic
- polyneuritis
- Polynices
- polynomial
- polynuclear aromatic hydrocarbon