The peculiarities that have been encountered in the splenic circulation are the presence of both 'open' and 'closed' circulation. The pulp acts as filter for separating R.B.C. from plasma. Phagocytes of the pulp remove the foreign particles from the blood. Pulp also acts as blood reservoir yet its function as such in human beings is not clear but in dogs [...]
The sugar content of blood is not a passive constituent. Blood sugar level is found to exert enormous influence in regulating the functions of various tissues in different ways. The following is a brief summary: i. On Stomach: Low blood sugar stimulates gastric secretion and gastric movements. Hunger contractions are always stimulated by low sugar (as also by insulin injections). [...]
In this article we will discuss about the structural pattern of a human tooth with the help of a suitable diagram. Histologically, a tooth contains enamel, dentine, cementum and pulp (Fig. 1.58). Enamel is epithelial in origin and encircles dentine beyond the plane of gum. It is the hardest substance found in the body. Chemically, it has calcium phosphate in [...]