Evidence that the fertilization envelope blocks sperm entry in eggs of Xenopus laevis: Interaction of sperm with isolated envelopes

A formaldehyde-glutaraldehyde fixative of high osmolality for use in electron-microscopy

Karnovsky Mj, Karnovsky Mj, Morris J. Karnovsky et al. · The Journal of Cell Biology · 1965 · 5.1K citations

Electron Microscopy, Microscopy Method, Microscopy +6

Fluorescence Assay in Biology and Medicine

Robert G. Crounse · Archives of Dermatology · 1963 · 647 citations

Fluorescence Microscopy, Fluorescent Assay, Engineering +15

Induction of Zona Reaction in Golden Hamster Eggs by Cortical Granule Material

C. Barros, Ryuzo Yanagimachi · Nature · 1971 · 270 citations

Embryo Culture, Oocyte, Developmental Biology +8

THE ZONA REACTION OF HAMSTER AND MOUSE EGGS: PRODUCTION <i>IN VITRO</i> BY A TRYPSIN-LIKE PROTEASE FROM CORTICAL GRANULES

Ralph B. L. Gwatkin, D. T. Williams, John F. Hartmann et al. · Reproduction · 1973 · 213 citations · Full text

Formation and structure of the fertilization envelope in Xenopus laevis

Robert D. Grey, Don P. Wolf, Jerry L. Hedrick · Developmental Biology · 1974 · 213 citations

Biology, Pattern Formation, Animal Reproduction +10