Mechanical impact on the tooth can cause tooth injury. The result of trauma is one of the following options. Sometimes combined injuries occur: fracture with displacement or dislocation of the tooth >>>

With a quantitative shift of hormones towards androgens, the body acquires male characteristics: the development of the skeleton according to the male type, an increase in muscle mass, a low timbre of voice, hair growth on the face , legs, arms, chest, back >>>

The reasons for the development of atresia lie in the violation of the organogenesis of the fetus, or in the overgrowth of the lumens as a result of scarring of tissues after trauma or inflammatory processes >>>

The most important mosquitoes that transmit malaria bite at dawn or dusk. The intensity of transmission of infection depends on the climatic zone and the period of high humidity, creating favorable conditions for the reproduction of mosquitoes >>>

The inflammatory process of the membranes of the brain or spinal cord, provoked by a bacterial infection, is called " bacterial meningitis " or purulent meningitis, in contrast to serous meningitis caused by a viral infection. The disease occurs in various age categories >>>

As a result of the body's reaction to allergens of various origins in the area of the red border of the lips and on the skin around the lips, an inflammatory process develops - atopic cheilitis, which can be one of the early symptoms of the development of atopic dermatitis >>>

Yellow fever is an infectious vector-borne disease of viral origin, endemic to tropical regions of Africa and South America. The causative agent of the disease is the yellow fever virus - arbovirus Viscerophilus tropicus, which is resistant to freezing and drying >>>

Tracheitis is an inflammatory process that develops in the tracheal mucosa. Tracheitis rarely develops as an independent disease >>>