英文關鍵字
anatomy
body
bowel
circulatory
duodenum
human
ileum
intestine
jejunum
mucosa
organs
skeleton
small
system
villi
villus
英文關鍵字
anatomy
body
bowel
circulatory
duodenum
human
ileum
intestine
jejunum
mucosa
organs
skeleton
small
system
villi
villus