Sourav Pan

What is Histology? Definition of Histology Histology is the scientific study of the microscopic structure of biological tissues. Sample preparation Methods in Histology Histological analysis necessitates meticulous sample preparation to ensure accurate microscopic observation. The preparation techniques vary based on the specimen type and the intended observation method. Herein, we delineate the primary steps involved … Read more

What is Osmotic Pressure? Definition of Osmotic Pressure Osmotic pressure is the force required to prevent the flow of solvent molecules through a semi-permeable membrane due to differences in solute concentrations between two solutions. Osmotic Pressure Equation Osmotic pressure, a fundamental concept in the study of solutions, can be quantitatively described using a specific equation. … Read more

What is Organism? Definition of Organism An organism is a living entity composed of one or more cells, capable of growth, reproduction, and response to stimuli, functioning as an individual life form. Structure of an Organism Every organism, whether unicellular or multicellular, is fundamentally composed of cells, the basic structural and functional units of life. … Read more

What is Obligate Anaerobes? Definition of Obligate Anaerobes Obligate anaerobes are microorganisms that exclusively thrive in oxygen-deprived environments and are adversely affected or killed by the presence of oxygen. Oxygen sensitivity of Obligate Anaerobes How Obligate Anaerobes are identified? The identification of obligate anaerobes is achieved through a systematic approach involving the use of thioglycollate … Read more

What is Negative Feedback? Definition of Negative Feedback Negative feedback is a regulatory mechanism in biological systems where the final product of a process inhibits its own production, ensuring stability and homeostasis. Negative Feedback Mechanism Importance of Negative Feedback In summary, negative feedback is a cornerstone mechanism in both biological and man-made systems. Its importance … Read more

What is Eye and Ear Microbiota (Microbiome) or Normal Flora of Eye & Ear? Normal Flora of the Ear Microorganism Type Category Staphylococcus spp. Gram-positive Bacteria Alloiococcus otitis Gram-positive Bacteria Corynebacterium spp. Gram-positive Bacteria Microbacterium spp. Gram-positive Bacteria Bacillus spp. Gram-positive Bacteria Arthrobacter spp. Gram-positive Bacteria Turicella otitidis Gram-positive Bacteria Micrococcus spp. Gram-positive Bacteria Moraxella … Read more

What is Unicellular organism? Evolutionary History of Unicellular Organisms The evolutionary trajectory of unicellular organisms is a testament to the intricate processes that have shaped life on Earth. These microscopic entities, which form the foundation of the biological hierarchy, have a rich and complex history that spans billions of years. All cellular life forms exhibit … Read more

What is Taxonomy? History of Taxonomy Taxonomy, the science of classifying living organisms, has evolved significantly since its inception. The journey of taxonomy traces back to ancient civilizations, undergoing various transformations through the ages, influenced by the works of numerous scholars and the advent of scientific methodologies. Ancient Beginnings: The earliest inklings of taxonomy can … Read more

What is Sporangium? Definition of Sporangium A sporangium is a specialized cellular structure in plants and fungi responsible for the formation, encapsulation, and dissemination of spores. Characteristics of Sporangium Structure of Sporangium The sporangium is a specialized structure designed for the production and protection of spores. Its structure can vary depending on the organism, but … Read more

What is Scientific Method? Definition of Scientific Method The scientific method is a systematic procedure used in scientific research to formulate hypotheses, gather data through observation and experimentation, and draw conclusions based on empirical evidence. It emphasizes objectivity, repeatability, and falsifiability in the pursuit of knowledge. Scientific Method Steps The scientific method is a systematic … Read more