Valtrex price comparison Mechanisms всасывания medical products from a cavity of a gastroenteric path are various: first of all it is diffusion, this way soaks up the majority of medical products, then a filtration and пиноцитоз. Some medical products are soaked up by active transport. Process всасывания лекарствв a stomach and an intestines is influenced by variety of factors. First of all is рН environments. Therefore in a stomach where environment sour, is better medicines-bases - in intestines are soaked up лекарствакислоты, and. The sour environment destroys some medicines, for example бензилпенициллин. Other substratum operating on всасывание of medicines, enzymes of a gastroenteric path which are capable инактивировать a number albuminous and полипептидных substances (кортикотропины, вазопрессин, insulin, etc.) are And also some hormones (a progesterone, testosterone, альдостерон). Salts of bilious acids, in turn, can accelerate всасывание medicines or, on the contrary, to slow down it at formation of insoluble connections. In urine urea, uric acid, ammonia, пуриновые the bases, креатинин contain; in a small amount - derivatives of products of rotting of fibers in intestines (индол, скатол, phenol). All вестибулорецепторы concern to вторичночувствующим and share on two types: cages of the first type have колбообразную the form, the second type - cylindrical. On the free surface of a cage have hairs, from them thin (60-80 on each cage) are called стереоцилиями, and one thick and long is on periphery of a bunch and is called киноцилием. At change of position of a head and a body in space there is a moving желеобразной weights which rejects the eyelashes shipped in it. Their moving serves as adequate stimulus for excitation of receptors. Displacement of hairs aside киноцилия causes exciting effect, in opposite - тормозный.