Shi Yan Sheng Wu Xue Bao 1993 Dec 01;264:361-75.

Determination of notochord cells of Xenopus laevis.

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In amphibians, numerous works of influences of the notochord on neighbouring tissues have been accumulated. However, on the contrary, scarcely any work is known about how the notochord is influenced by its neighbouring tissues and how it is determined. By using the experimental method of explantation and culturing in vitro, how the notochord is determined in the early development and whether the neighbouring tissues exert influences on it have been investigated. The results showed that the determination of notochord is a progressive process and the presumptive notochord of Xenopus appears to be a very good material to study influences of neighbouring tissues on the determination of the notochord.

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