System: Digestive System

Understand bilirubin metabolism, from the breakdown of hemoglobin to its processing in the liver and excretion in bile. This video explains the steps involved, including conjugation, transport, and the clinical…

Starch is a major source of energy for the diet. Starch is made up of glucose molecules linked together forming linear chains and also branching chains. These chains are tightly…

Explore the physiology of vomiting, including the role of the vomiting center, chemoreceptor trigger zone, and involved neural pathways. This video explains how sensory inputs, toxins, and gastrointestinal signals coordinate…

Learn about Enterobius vermicularis, the pinworm responsible for one of the most common parasitic infections, especially in children. This video explains its life cycle, mode of transmission, symptoms, and diagnostic…

Learn how Giardia lamblia causes giardiasis, a common intestinal infection transmitted through contaminated water or food. This video explains the parasite’s life cycle, pathogenesis, clinical symptoms, and key diagnostic and…

Understand how hydrochloric acid is produced and regulated in the stomach and why excess acid causes peptic ulcers and heartburn—key for preventing and treating GERD and ulcer disease. In this…

Understand liver cirrhosis, its progression from chronic liver injury to fibrosis, and how it affects overall liver function. This video covers common causes, clinical features, complications, and the impact of…

Continue learning about the causes of liver cirrhosis with a focus on autoimmune, genetic, and biliary conditions. This video explains how these less common factors contribute to progressive liver damage…

Explore the major causes of liver cirrhosis, including chronic alcohol use, viral hepatitis, and metabolic disorders. This video explains how long-term liver damage leads to fibrosis and disrupts normal liver…

Discover how Entamoeba histolytica causes amoebic dysentery, including its transmission, life cycle, and tissue invasion mechanisms. This video explains the clinical presentation, pathogenesis, and key diagnostic features of this parasitic…