海量资源,尽在掌握
 食管esophagus贲门cardia胃底fundus of stomach胃体body of stomach幽门管pyloric canal幽门窦pyloric antrum十二指肠球部duodenal bulb十二指肠降部duodenal descending part十二指肠大乳头major duodenal papilla回肠末段terminal ileum结肠colon直肠rectum (共 199 字) [阅读本文] >>