【AC】評論
(A)&(B) The ...
【abc】評論
B選項 也有少量的type V ,如果差一點可以去申覆The odontoblast appears to synthesize mainly type I collagen,196,375 although small amounts of type V collagen have been found in the ECM.
【yaoguo】評論
根尖處collagen fiber較多,pulp牙冠部odontoblast較多牙髓老化collagen fiber增加,但type I : III含量55:45不變Odontoblast能合成: