Isomers (Gr. Иσος - Equal, Мερος - Part) Chemical compounds that have the same overall formula but a different structural formula are called isomers. Such compounds may h ...
Read More
The breathing movements that expand and contract the chest are controlled by the medulla oblongata, a part of the brain located at the back of the skull, where the spinal ...
Read More
Dupuytren's contracture is a contraction of the fingers as a result of cicatricial degeneration of the palmar aponeurosis. The causes of the disease are not fully underst ...
Read More
Oats: a valuable cereal crop Oat (Avena sativa) is an annual herbaceous plant belonging to the cereal family. It grows up to 1.5 meters in height and has fibrous adventit ...
Read More
Distress syndrome: causes, symptoms and treatment methods Distress syndrome, or respiratory distress syndrome, is one of the most common non-infectious pathologies in new ...
Read More
Pain in the heart area, differing in its symptoms from angina pectoris; characterized by stabbing, burning, aching, less often pressing pain in the heart area; they can r ...
Read More
Much of the work of the nervous system is automatic or reflexive. For example, when someone pinches our arm, the pinch stimulates sensory receptors in the skin and the ne ...
Read More
English 
Chinese 
Spanish 
Indonesian 
French 
Portuguese 
Russian 
Japanese 
Turkish 
Deutsch 
Vietnamese 
Italian 
Polish 
Ukrainian 
Korean 
Dutch 
Swedish 
Azerbaijani 
Hungarian 
Bulgarian 
Norwegian 
Finnish 
Greek 
Czech 
Danish