Biology

Introduction to Parietal Cells Parietal cells are located in the stomach lining and play an important role in the digestive […]

Food Deficiency Food-deficiency diseases are a type of malnutrition that is caused by a lack of essential nutrients in the […]

What are Mitochondria? Diagram of Mitochondria: Mitochondria are organelles found in the cytoplasm of eukaryotic cells. They are responsible for […]

What is Cambium? Definition: The cambium is an actively dividing, thin layer of cells that grows between the xylem and […]

What is Soil Pollution? Soil pollution is the contamination of soil with harmful pollutants. These pollutants can come from a […]

Antigen Antigen – Definition: An antigen is a molecule that can provoke an immune response in the body, specifically the […]

What are Enzymes? Enzymes are proteins that catalyze chemical reactions in the body. Enzymes can be found in all body […]

What is Epididymis? The epididymis is a long, coiled tube that is located on the back of the testes. The […]

What are Pharmaceutical Ointments? Ointment – Definition: Pharmaceutical ointments are topical creams, gels, or ointments made with a drug or […]

What is an Epitope? Epitope Mapping An epitope is the specific site on an antigen to which an antibody binds. […]