In this article we will discuss about:- 1. Meaning of Neoplasms 2. Growth Characteristics of Neoplasms 3. Cellular Basis 4. Benign and Malignant 5. Classification 6. Host Responses. Meaning of Neoplasms: Neoplasia, literally meaning 'new growth', is a disorder characterized by the abnormal and continuous growth of cells which are no longer subject to the homeostatic controls which maintain the [...]
In this article we will discuss about:- 1. Introduction to Reticulo-Endothelial 2. Classification, Varieties and Distribution of Reticulo-Endothelial Cells 3. Functions. Introduction to Reticulo-Endothelial: It has been known for many years that if a vital dye (viz., Trypan blue, Lithium carmine, etc.) be injected into a living animal, certain cells engulf the dye particles, whereas other do not. It is [...]
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 [...]