20.下列何者位於曲細精管(seminiferous tubule)的基底間隔(basal compartment)?
(A)精原細胞(spermatogonium)
(B)次級精母細胞(secondary spermatocyte)
(C)精細胞(spermatid)
(D)精子(sperm)
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統計: A(1081), B(517), C(268), D(137), E(0) #1738501
統計: A(1081), B(517), C(268), D(137), E(0) #1738501