[Regulatory properties of adenylyl and guanylyl cyclases in human spermatozoa].

Completion of the process of maturation of spermatozoa (capacitation) occurs in the female genital tract. As a result, spermatozoa acquire hypermobility and the capability for the acrosomal reaction, which determine their fertility. There exist data that participating in these processes are the adenylyl cyclase and guanylyl cyclase signaling systems that are present in human and mammalian spermatozoa.

[The social characteristics of minor patients with venereal diseases].

Questionnaires distributed among 137 syphilis, gonorrhea, trichomoniasis patients under age evidence that one of the causes for contracting sexually transmitted diseases by young people is inadequate family up-bringing, no links between family upbringing and school education. Methodology of lessons in sexual education should be improved. Specialists in moral and labor education of young people should take part in activities on the control of sexually transmitted diseases.