36.瞳孔擴張及括約肌(dilator and sphincter pupillae),是源自何處?
(A)神經外胚層(neuroectoderm)
(B)生發層(stratum germinativum)
(C)內胚層(endoderm)
(D)中胚層(mesoderm)
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統計: A(0), B(0), C(1), D(1), E(0) #3975915
統計: A(0), B(0), C(1), D(1), E(0) #3975915