The basic content of this subject is: A: anatomy and physiology of teeth B: local anatomy of oral cavity, maxillofacial region and neck C: dentition, occlusion and jaw position D: oral function

Given what you know about ape and human dentition, what is odd about this gorilla mandible? A: The teeth are excessively worn B: The canines are too large C: The molars are too long D: There is an extra (fifth) incisor

中国大学MOOC: 双壳类的铰齿和铰窝类型复杂，是它们分类的重要依据，称为齿型dentition.主要有异齿型、栉齿型、贫齿型、裂齿型。（）比较典型的代表就是粗饰蚶，铰齿短小，并列排列，像梳子一样。