Histological characteristics of the different vascular systems are described below: 1. Arteries 2. Arterioles 3. Capillaries 4. Veins 5. Blood Vessels of Blood Vessels. 1. Arteries: In the arteries, all the layers (Fig. 7.14) are present. The two outer layers are very thick, because it has to withstand considerable blood pressure. The tunica media consists chiefly of circularly arranged smooth [...]
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 [...]