List Diseases – A
Stenosis is a narrowing of the lumen of the larynx and/or trachea, which disrupts the flow of air into the respiratory tract and lungs. Depending on the time frame, stenoses are divided into acute, developing over a short period of time (up to 1 month), and chronic, developing slowly (more than 1 month).
Activity and attention disorders are a group of disorders united according to the phenomenological principle based on weakly modulated behavior with age-inappropriate hyperactivity, attention deficit, impulsivity, and lack of stable motivation for activities requiring volitional efforts.
Actinitic keratosis (syn.: senile keratosis, solar keratosis) develops as a result of prolonged exposure to ultraviolet rays on exposed areas of the skin, usually in people over 50 years of age.