2.在胚胎發育過程中,早期肺芽(primitive lung bud)出現於那一期?
(A)終囊期(terminal sac period)
(B)胚胎期(embryonic period)
(C)小管期(canalicular period)
(D)偽腺體期(pseudoglandular period)
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統計: A(7), B(162), C(33), D(40), E(0) #1045141
統計: A(7), B(162), C(33), D(40), E(0) #1045141