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 [...]
In this article we will discuss about:- 1. Normal Values of Hepatic Circulation 2. Factors Modifying Hepatic Circulation 3. Peculiarities. The hepatic artery is not an end artery and has got anastomotic channels with the portal vein at several levels of the interlobular regions (Fig. 7.107). The hepatic artery transfuses the portal vein as well as the sinusoid at a [...]
Circulation in a particular region or organ is directly proportional to the degree of local activity. It is adjusted on two lines: (1) By regulating the general circulation, and (2) By adjusting the local blood vessels. Generally, vasodilatation of an active part is accompanied with vasoconstriction of other inactive parts. In this way, blood is shifted from the inactive to [...]