AIM: to investigate tooth-forming ability of tooth germ cells from postnatal rats by implanting into renal capsule.
目的：将出生后牙胚细胞接种于肾被膜下探讨其成牙能力。
In this case the cells were taken from what is known as the tooth germ, the little bud that appears before an animal grows a tooth.
在这一研究中，这些细胞来源于所谓的牙胚即动物出牙前发生的幼芽。
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