Human Lectins Male Spermatozoa Support, Non-U.S. Gov't immunohistochemistry male genital system Antigens Cell Membrane Epitopes Glycoproteins Hemagglutination Tests Human spermatozoa Immune Sera Immunodiffusion Immunologic Techniques Receptors, Concanavalin A Receptors, Immunologic Receptors, Mitogen SEMEN Semen Streptococcus pneumoniae concanavalin a cytology drug protein binding glycoprotein human human cell lectin receptor lectin receptors