Evidence has been presented that the PH-20 protein functions in sperm adhesion to the egg zona pellucida (Primakoff, P., H. Hyatt, and D. G. Myles, 1985, J. Cell Biol., 101:2239-2244). The PH-20 protein migrates from its original surface domain to a new surface domain after the acrosome reaction (Myles, D. G., and P. Primakoff, 1984, J. Cell Biol., 99:1634-1641). The acrosome reaction is an exo...

Background: Preventive and interceptive orthodontics are most commonly advocated in patients to reduce the prevalence of malocclusion. The objective assessment malocclusion is crucial document complexity cases. To determine this critical aspect treating malocclusion, numerous indices have been developed over years that need for orthodontic treatment. index preventive...

Vaccinology is the science or method of vaccine development. Vaccinology was born with Edward Jenner’s discovery of smallpox vaccine that changed the world of medicine forever. The foundation that Jenner laid began a course of vaccine development and has been proved to be successful in infectious diseases such as small pox and expected to eradicate many more emerging diseases like, poliovirus i...