foregut造句

1、The foregut hypothesis was later contested.
前肠的假设后来引起争议。

2、The embryonic digestive tube consisting of the foregut the midgut and the hindgut.
肠胚胎的消化管，包括前肠，中肠和后肠。

3、A new scheme for zoning of foregut was proposed based on our observation.
根据我们的观察，对前肠提出了新的分区。