42.在肛門直腸連接處(anorectal junction)的位置,會觀察到下列何項構造?
(A)直腸(rectum)上皮有許多杯狀細胞(goblet cells)
(B)直腸(rectum)上皮為複層扁平上皮(stratified squamous epithelium)
(C)肛門(anus)有Peyer's patch
(D)肛門(anus)肌外層的縱走肌肉(longitudinal layer of muscularis externa)有顯著加厚作為內括約肌 (internal sphincter)
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統計: A(543), B(159), C(14), D(189), E(0) #1946233
統計: A(543), B(159), C(14), D(189), E(0) #1946233