Results In normal fetus, the urorectal septum ( URS ) descended, its distance to cloacal membrane decreased gradually.结果 泄殖腔发育过程中,胎龄15d前 的正常鼠胚, 尿直肠隔将 泄殖腔 分为腹侧的尿生殖窦和背侧的直肠两部分, 二者共同相通于泄殖腔管....
his obsessive jealousy of his exwife他对前妻着魔似的嫉妒Williams is obsessive about motor racing.威廉斯对赛车到了痴迷的程度。Williams is obsessive about motor racing...威廉斯对赛车到了痴迷的程度。The obsessive thoughts became so omnipresent that her memory w...