牙骨小体，牙骨质疣：小的分散的钙化组织灶，不一定是真的牙骨质，见于牙周韧带
习惯用语adherent cementicle ,attached cementicle
连结性牙骨小体：与牙骨质牢固连结的牙骨小体free cementicle ,interstitial cementicle
游离性牙骨小体，间质性牙骨小体：完全被牙周膜结缔组织包围的牙骨小体- synaptosome
- synarthrodia
- synarthrodial
- synarthrophysis
- synarthroses
- synarthrosis
- synathresis
- synathroisis
- syncaine
- syncanthus
- syncaryon
- syncelom
- syncephalus
- synchesis
- synchilia
- synchiria
- syncholia
- synchondrectomy
- synchondroseotomy
- synchondroses
- synchondrosis
- synchondrotomy
- synchorial
- synchronia
- synchronism