摘要
本文对暗纹东方精、卵结构和精子早期入卵进行了电镜观察。观察结果：精子为鞭毛型结构，头部两端呈椭圆长柱形，核凹窝较深，颈部含８个线粒体，尾部微管束为“９＋２”结构，双尾丝裸露；卵为圆球形，卵膜表层有许多嵴、沟、微孔和一个受精孔；受精方式为单精或多精入孔入卵，单精受精。本文还对受精方式、人工繁殖技术等进行了讨论。
The ultrastructure of sperm and egg of Fugu obscurus and the early process of
sperm-penetration were studied with electronic microscopy. The results show that the sperm is
a type of flagellum,with a nucleus in its more-deeply sunken head and with 8 mitochondria in its
neck;both ends of the head are in the shape of long elliptic column; the tail presents a
9+2axoneme structure with 2 naked tail fibers; the eggs are characterized by the ball-shape
with many cristae,rills,micropores and a funnel-shaped micropyle on their surfaces.Studies on
the fertilization revealed that fertilization may be in the patterns of single-sperm fertilization
and single-sperm or multiple-sperm penetration.The way of fertilization and the technique of
artificial reproduction are discussed.
出处
《中国水产科学》
CAS
CSCD
1999年第2期5-8,共4页
Journal of Fishery Sciences of China
