bell stage tooth

基本解释

Human tooth development is a consecutive process, which includes bud stage, cap stage, bell stage and tooth root development.
人类牙齿发育是一个连续的过程，经历了蕾状期、帽状期、钟状期和牙根发育期。
Human tooth development is a consecutive process, which includes bud stage, cap stage, bell stage and tooth root development.
人类牙齿的发育，经历蕾状期、帽状期、钟状期、牙根发育和牙齿萌出期。
Conclusion:① The proliferation stage, difference stage and mature stage of tooth of development of enamel organ in rat were similar to the bud stage, cap stage and bell stage of human being.
结论：1大鼠切牙釉器发育的增殖期、分化期、成熟期分别与人牙的蕾状期、帽状期、钟状期相似。