About MORISAWA S
About St. Marianna Univ., Kawasaki, JPN
About MIZUTA T
About Ocean Res. Inst., Tokyo, JPN
About KUBOKAWA K
About Ocean Res. Inst., Tokyo, JPN
About TANAKA H
About Misaki Marine Biological Station, Miura, JPN
About MORISAWA M
About Misaki Marine Biological Station, Miura, JPN
About Zoological Science
About spermatogenesis
About Branchiostoma
About Reproductive physiology in general
About Cell physiology in general
About Ionomycin
About ナメクジウオ
About 脊索動物門
About 頭索類
About 精子
About 先体反応