fore.gut
n.(名词)The anterior part of the embryonic alimentary canal of a vertebrate from which the pharynx, lungs, esophagus, stomach, liver, pancreas, and duodenum develop.前肠:脊椎动物消化道的前部,由此产生出咽、肺、食管、胃、肝脏、胰和十二指肠The first part of the alimentary canal of an arthropod or annelid, which includes the buccal cavity, esophagus, crop, and gizzard.前肠:节肢动物或环节动物的消化道的第一部分,包括口腔、食管、嗉囊和砂囊