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pro vyhledávání: '"Satoshi Hiroyoshi"'
Publikováno v:
Journal of Insect Physiology. 100:1-8
Sperm polymorphism is widely known in invertebrates. In insects, Lepidoptera has two types of sperm: nucleated eupyrene (fertile) sperm and anucleated apyrene (unfertile) sperm. These sperm types are produced during post-embryogenesis, and eupyrene s
Autor:
Jun Mitsuhashi, Satoshi Hiroyoshi
Publikováno v:
Journal of Insect Physiology. 45:107-112
The relationship between sperm quantity in the duplex and that in the vasa deferentia was examined in the Asian comma butterfly, Polygonia c-aureum. In virgin males, the number of eupyrene sperm bundles in the duplex increased linearly with age, wher