第二寄主 Secondary host?
第二性征 Secondary sexual character?
分泌素﹔肠促胰液素 Secretin?
分泌作用﹐(2)分泌物 Secretion?(1)
移片器 Section lifter?
切片 Section?
切片法 Sectioning?
镇静剂 Sedative?
沉降 Sedimentation
沉降池 Sedimentation tank?
探针 Seeker?
体节﹔环节 Segment?
第二性征 Secondary sexual character?
分泌素﹔肠促胰液素 Secretin?
分泌作用﹐(2)分泌物 Secretion?(1)
移片器 Section lifter?
切片 Section?
切片法 Sectioning?
镇静剂 Sedative?
沉降 Sedimentation
沉降池 Sedimentation tank?
探针 Seeker?
体节﹔环节 Segment?
分离 Segregation
选透性 Selective permeability?
选透性膜 Selectively permeable membrane?
精液 Semen
半规管 Semicircular canal?
半月瓣 Semilunar valve?
精液 Seminal fluid?
贮精囊 Seminal vesicle?
精小管 Seminiferous tubule
衰老 Senescence
感觉 Sensation?
感觉器官 Sense organ
感应性﹔敏感性 Sensitivity?
感觉区 Sensory area?
感觉细胞 Sensory cell?
感觉纤维 Sensory fibre?
感觉毛细胞 Sensory hair cell?
感觉神经末鞘 Sensory nerve ending
感觉神经纤维 Sensory nerve fibre?
感觉神经元 Sensory neurone?
隔 Septum
血清 Serum
污水 Sewage
性细胞 Sex cell?
性染色体 Sex chromosome?
性别决定 Sex determination?
性激素 Sex hormone?
性连锁 Sex linkage?
性器官 Sex organ?
性连性状 Sex-linked character?