Sperm Loci
Immunocytochemistry of washed motile ejaculated human spermatozoa incubated with antibodies against epididymal secretory proteins and testicular proteins (right panels, merged micrographs of fluorescence staining). Red staining (by PI) indicates the nuclei and green staining (by FITC) indicates the location of HEL-S-67p on spermatozoa. Each bar represents 5 um.