尖头斜齿鲨子宫的形态与结构  

The Form and Structure of the Uterus of Spadenose Shark, Scoliodon laticaudus

作　　者：陈明茹[1] 丘书院[1] 杨圣云[1] 

机构地区：[1]厦门大学海洋学系,福建厦门361005

出　　处：《厦门大学学报（自然科学版）》2001年第1期92-97,共6页Journal of Xiamen University：Natural Science

基　　金：国家教委博士点科学基金! ( 93384 10 );福建省自然科学基金! ( C930 54)资助项目

摘　　要：尖头斜齿鲨具有高等的生殖方式 ,为有胎盘胎生种类 ,有功能完整的子宫 ,其子宫分室 ,直至分娩时 ,子宫小室才不完整 .一个小室内只有一个胚胎 .尖头斜齿鲨的子宫壁由外至内可分为浆膜层、肌肉层、粘膜下层、粘膜层 .在胚胎发育过程中 ,子宫形态及子宫壁的结构不断变化 .至分娩期时 ,子宫壁近透明 ,里面的胚胎清晰可见 .The reproductive mode of Scoliodon laticaudus is placental viviparity, and there are two functional uteris in the female reproductive system. Every uterus is subdivided into several apartments with one embryo in one apartment. The uterine wall consists of serosa, muscularis, sub mucosa and mucosa. The form of the uterus and the structure of the uterine wall changes with the embryonic development. At parturition stage, the uterine wall is very thin, embryos in the uterus can be seen from outside.

关 键 词：尖头斜齿鲨 子宫 形态 结构 

分 类 号：Q959.42[生物学—动物学] Q954.592