31 下列何者最富含淋巴組織？
(A)盲腸（cecum）
(B)闌尾（vermiform appendix）
(C)結腸（colon）
(D)肛管（anal canal）

【解釋】

•        nSubdivided into: Cecum,nvermiform appendix, colon, rectum, anal canal

²  Cecum : a blind pouch

²    Vermiform appendix : contains lymphoid tissue

- Neutralizesnpathogens

²    Colon – divided into distinct segments

- Ascending,ntransverse, descending, and sigmoid colon

²  Special features of large intestine

- Teniaencoli, haustra, and epiploic appendages

²  Rectum – descends along the inferior half of the sacrum

²  Anal Canal – the last subdivision of the large intestine

【出處】大二下解剖講義_泌尿&消化_digestivensystem