Here is the complete pdf lecture of hematology by Dr. Tahir Malik Introduction to Haematology Haematology is the branch of medicine that focuses on the study of blood, blood-forming organs, and disorders related to hematopoiesis. It encompasses the physiology, pathology, and clinical aspects of blood and its components, including red blood cells (RBCs), white blood cells (WBCs), platelets, plasma, and coagulation mechanisms. Understanding haematology is vital for medical students and healthcare professionals to diagnose, manage, and treat a wide range of hematologic conditions effectively. Composition and Function of Blood Blood is a specialized fluid that plays a crucial role in oxygen transportation, immune defense, homeostasis, and waste removal. It consists of several components: 1. Plasma Plasma is the liquid portion of blood, accounting for approximately 55% of its volume. It contains: Water (90%) - Acts as a solvent and medium for transporting substances. Proteins Al...