title: [Features of sexual development of adolescent boys in cities of Caspian region of the Republic of Kazakhstan].
abstract: The complex estimation of parameters of the sexual development of adolescent boys aged 14-16 years had been done in cities of Aktay and Atyrau, in Caspian region of Western Kazakhstan. Adolescent boys in cities of Caspian region of the Republic of Kazakhstan were found to have tendency to the delayed puberty according to Tanner score. Retarded sexual development is manifested by the some retardation in growth of genitals and escutcheon, in comparison with their peers from control group. The absence of differences in general physical development, as evidenced by anthropometry data, does not exclude the specific (elective) character of the impact of urbanogenic factors on growing male body, which is typical impact of hard metals salts.
authors.forename: O M
authors.initials: OM
authors.lastname: Kurmangaliev
authors.forename: Zh Zh
authors.initials: ZhZh
authors.lastname: Gumarova
authors.forename: B V
authors.initials: BV
authors.lastname: Zasorin
mesh_terms: D000293:Adolescent; D041923:Adolescent Development / Q000187:drug effects / Q000502:physiology*; D000886:Anthropometry; D016022:Case-Control Studies; D002947:Cities; D004785:Environmental Pollutants / Q000009:adverse effects; D005837:Genitalia, Male / Q000187:drug effects / Q000254:growth & development; D006801:Humans; D007623:Kazakhstan; D008297:Male; D019216:Metals, Heavy / Q000009:adverse effects; D009792:Oceans and Seas; D011627:Puberty / Q000187:drug effects / Q000502:physiology; D012741:Sexual Maturation / Q000187:drug effects / Q000502:physiology*; D014504:Urban Health / Q000592:standards / Q000706:statistics & numerical data
chemical_list: D004785:Environmental Pollutants; D019216:Metals, Heavy