[Histochemical investigation on the parenchyma cells of the Epiphysis cerebri of cattle (Bos taurus domesticus) and pig (Sus scrofa domesticus) (author's transl)].

The parenchyma cells of the pineal organ from 20 cattle (10 week-old female calfs, from one year to several years of age female and male cattle) and 14 pigs (8- to 9-month-old female pigs) were investigated with histochemical methods. Carbohydrates are evident in a insignificant quantity. The content of lipids is very high, according to the age the quantity varying. Proteins are evident, but only in small quantities. The content of ribonucleic acid is very high.