Stem Cells
Role of stem cells in the body, different types of stem cells, and their potential in medicine. Developed by Carnegie Mellon students, Isabel Joyce and Cassandra Dodson.
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Battery technologies: 2. Cell chemistry
Explore the workings of simple electrical cells, their components, and the conversion of chemical energy into electrical energy. Learn about different cell types, primary vs. secondary cells, and the process of recharging. Discover examples of cells like Alkaline, Zinc, NiCad, NiMH, and Lithium-ion,
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Transfusion
Blood transfusion is a crucial medical procedure worldwide, with various components like packed red blood cells, plasma, platelets, and cryoprecipitate being utilized for efficient use. Differential centrifugation is employed for component preparation, ensuring precise separation of red blood cells,
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CELLS
Discover the incredible world of cells in the human body, each playing a vital role in sustaining life. Explore the diversity of cell types, learn about the history of microscopy, and delve into the Cell Theory. Understand the differences between prokaryotic and eukaryotic cells, essential building
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Understanding White Blood Cells: Defense Mechanisms and Functions
White blood cells, specifically neutrophils and macrophages, play crucial roles in defending the body against infections. Neutrophils attack and destroy bacteria in the blood while macrophages, once matured in tissues, combat intratissue disease agents. These cells exhibit unique abilities such as d
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Hematopoiesis: Processes and Niches in the Human Body
Hematopoiesis, the process of daily blood cell production, involves maintaining the physiological balance of circulating blood cells. It includes the generation of billions of erythrocytes, platelets, and leukocytes to meet the body's needs. The location of hematopoiesis changes throughout human lif
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The Truth Revealed Does Cannabis Harm Brain Cells.docx
The Truth Revealed: Does Cannabis Harm Brain Cells?\nIn recent years, the debate surrounding the effects of cannabis on brain health has intensified. With the growing popularity of cannabis and the increasing accessibility of products from online weed dispensaries and marijuana dispensaries, it\u201
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Chronic Myeloid Leukemia
Chronic myeloid leukemia (CML), or chronic myelogenous leukemia, is a slow-growing form of cancer that affects the bone marrow and blood. Like acute myeloid leukemia, CML originates in the myeloid cells. When functioning properly, myeloid cells produce mature red blood cells, platelets and non-lymph
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Fibroblast Cells Market Analysis, Size, Share, Growth, Trends Forecasts 2023-203
The Global Fibroblast Cells Market encompasses a range of activities associated with the acquisition, cultivation, and utilization of fibroblast cells. Fibroblasts are a type of cell found in connective tissues throughout the human body and are known for their versatility in various biological proce
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Fibroblast Cells Market Analysis, Size, Share, Growth, Trends Forecasts 2023-203
The Global Fibroblast Cells Market encompasses a range of activities associated with the acquisition, cultivation, and utilization of fibroblast cells. Fibroblasts are a type of cell found in connective tissues throughout the human body and are known for their versatility in various biological proce
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Understanding Electricity and Circuits: Components, Cells, Batteries, and Ratings
Explore the fundamentals of electricity and circuits, including circuit components, cells, batteries, types of cells, primary vs. secondary cells, dry vs. wet cells, and ratings. Learn about the relevance of this knowledge in engineering and certifications like NABCEP PV Associate. Discover the work
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Bone Marrow Transplant Cost in India
The supple, fatty tissue found inside your bones is called bone marrow. The cells that make blood and platelets are found in bone marrow, which also produces billions of new blood cells daily.\nA bone marrow transplant (BMT) includes using healthy blood-forming stem cells to replace the patients' di
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Understanding Resting Membrane Potential and Excitability in Cells
Explore the concepts of resting membrane potential (RMP), excitability in cells, and the electrochemical basis behind them. Learn about the characteristics of excitable and non-excitable tissues, the factors influencing RMP, and the role of ion distribution in generating the negative charge inside c
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Understanding Glandular Specialized Epithelium and Glands
Glandular specialized epithelium forms a class of epithelial tissues with specific functions and structures, composed of cuboidal, columnar, and ciliated columnar epithelial cells. These tissues contain gland cells that are secretary in nature, with zymogen granules in the cytoplasm. Glands are spec
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Understanding Glandular Epithelium and Secretory Cells
Glandular epithelium consists of epithelial cells specialized in producing and secreting various macromolecules, found in glands throughout the body. These secretory cells can synthesize proteins, lipids, and carbohydrates, with different types of glands such as exocrine and endocrine glands. The se
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Histological Structure of Liver and Spleen: Key Features and Functions
In this informative content, the histological structures of the liver and spleen are explored in detail. Key components such as hepatocytes, sinusoids, bile canaliculi, and the spaces of Disse in the liver, and the white pulp and red pulp in the spleen are highlighted. The classic liver lobule, cent
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Development Stages of Inner Enamel Epithelium
The life span of cells in the inner enamel epithelium can be divided into six stages: Morphogenic, Organizing, Formative, Maturative, Protective, and Desmolytic. Differentiation of ameloblasts occurs in various regions of the tooth germ. Amelogenesis, the enamel formation, takes place during the for
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Understanding the Basics of Solar Cells: Types, Materials, and Working Principles
Solar cells, also known as photovoltaic devices, convert light energy into electrical energy through the photovoltaic effect. They consist of different generations with varying materials such as crystalline silicon, cadmium telluride, and gallium arsenide. Learn about the construction, working princ
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Understanding Chloroplast: The Green Powerhouse of Plant Cells
Chloroplasts, key organelles in plant cells, contain chlorophyll for photosynthesis, producing food and oxygen. They are absent in animal cells, housing their own DNA and capable of independent reproduction. The structure includes grana and stroma, each serving vital roles in energy production withi
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Understanding Gas Exchange in Cells and Organisms
Gas exchange is vital for cellular respiration and photosynthesis. In organisms, specialized structures like alveoli in lungs and stomata in plants facilitate this process. This exchange occurs through diffusion across moist surfaces with large surface areas. In animals, oxygen is taken up by hemogl
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Introduction to Phage DNA Integration in Bacterial Cells
Phage DNA can be introduced into bacterial cells through two methods: transfection and in vitro packaging. Transfection involves mixing purified phage DNA with competent E. coli cells, inducing DNA uptake via heat shock. In vitro packaging utilizes proteins coded by the phage genome, which can be pr
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Understanding Specialised Cells in Biology
Explore the concept of specialised cells in biology through learning objectives, examples of specialised cells in animals and plants, and explanations of cell adaptations for specific functions. Engage in activities such as cell labeling, video exploration, and self-assessment to deepen understandin
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Understanding Collenchyma and Sclerenchyma Tissues in Plants
Plant tissues play vital roles in providing structural support and protection. Collenchyma tissues are found in shoots and leaves, offering strength and flexibility, while sclerenchyma tissues provide rigid support in non-growing regions. Collenchyma cells have thickened corners for strength and pro
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Year 7 Science Curriculum Overview: Particle Model, Separating Mixtures, Cells
Understand scientific concepts, techniques, and procedures through topics such as particle model, separating mixtures, and cells. Learn to apply knowledge, conduct scientific inquiries, and analyze information to develop experimental procedures. Key skills include techniques for separating mixtures
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Understanding Blood Cells and Transport Mechanisms
Your blood, consisting of red blood cells, white blood cells, platelets, and plasma, plays a crucial role in transporting substances like oxygen, nutrients, and waste products throughout your body. Red blood cells are specialized for oxygen transport due to their unique adaptations, while white bloo
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Understanding Wireless Wide Area Networks (WWAN) and Cellular Network Principles
Wireless Wide Area Networks (WWAN) utilize cellular network technology like GSM to facilitate seamless communication for mobile users by creating cells in a geographic service area. Cellular networks are structured with backbone networks, base stations, and mobile stations, allowing for growth and c
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Root Development in Tooth Growth Process
Root formation plays a crucial role in the development of teeth, starting after enamel and dentin formation at the cementoenamel junction. Hertwig's epithelial root sheath (HERS) molds the shape of roots, initiating radicular dentin formation. The cervical loop forms an epithelial diaphragm, narrowi
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Transport in the Phloem: A Detailed Overview by Ashish Sharma, Ph.D.
The phloem plays a vital role in transporting sugars and organic materials throughout plants. This system involves various specialized cells like sieve elements, companion cells, parenchyma cells, and phloem fibers. Mature sieve elements lack certain organelles and have non-lignified cell walls, mak
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Preparation of Squamous Epithelium Cells from Human Mucosa Mouth
Squamous cells from the mucosa of the human mouth play vital roles in protecting and maintaining oral health. This guide outlines the steps to prepare slides of these cells for microscopic examination using simple materials and methods. Caution is advised when handling methylene blue due to its toxi
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Understanding the Significance of Cytokines in Immune Response
Cytokines play a crucial role in immune response activation and regulation. They are secreted by various cell types like lymphocytes, monocytes, and macrophages, exerting diverse biological functions, including immune system development, inflammatory response induction, and hematopoiesis regulation.
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Understanding Antibody-Mediated Immunity in Humoral Immunity
This content delves into the mechanisms of antibody-mediated immunity, focusing on B-cells as key players in humoral immunity. It covers topics such as activation of B-cells, clonal selection, generation of plasma and memory cells, primary and secondary immune responses, and the structure and functi
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Understanding Solar PV Components: Cells, Modules, and Arrays
Solar PV components such as cells, modules, and arrays play a crucial role in converting sunlight into electricity. This unit covers basic terms related to solar PV components, including solar cells, P/N junctions, cell output, various cell constructions, and cell wiring configurations. Explore the
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Understanding the Secretory Functions of the Alimentary Tract
This content delves into the secretory functions of the alimentary tract, focusing on the secretion of saliva and the role of mastication. It covers the anatomy of salivary glands, composition of saliva, control of secretion by the nervous system, and the functions of saliva in lubrication, protecti
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Understanding Dairy Farming: Udder Anatomy and Milk Production
Exploring the external and internal anatomy of the udder in dairy cattle, including the functions of teats, streak canal, gland cistern, and supernumerary teats. Learn about milk retention, milking procedures, secretory tissue, and more crucial aspects of dairy farming.
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Understanding Stem Cells and Their Potential Applications
Stem cells are undifferentiated cells with the unique ability to develop into various specialized cell types, making them valuable for medical applications. Dr. J. Gowri explores the classification, features, and properties of stem cells, shedding light on their self-renewal and potency. These cells
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Understanding Stem Cells and Their Applications
Stem cells are unique cells that have the potential to develop into various types of cells in the body. They play a crucial role in renewing and repairing tissues, offering hope for treating various medical conditions. While adult stem cells can differentiate into limited cell types, embryonic stem
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Thyroid and Parathyroid Glands Histological Structure Overview
This detailed histological study covers the structure and function of the thyroid and parathyroid glands. It includes information on the stroma, parenchyma, follicular cells, parafollicular cells, and the microscopic structure of the parathyroid gland. The article also delves into the functions of v
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Understanding Potentiometry and Electrochemical Cells
Electrochemical cells play a vital role in redox reactions, with potentiometry being a quantitative analysis method based on measuring potentials. These cells consist of two half-cells where reduction and oxidation take place, forming anode and cathode. Reference electrodes like calomel and Ag/AgCl
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Understanding the Molecular Composition of Living Cells
Living cells are primarily composed of hydrogen, oxygen, nitrogen, carbon, phosphorus, and sulfur, which form the basis of organic biomolecules. Cells have common features such as cytoplasm, cell membranes, and nuclei. Different types of cells exist, ranging from eukaryotic with organized nuclei to
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Identifying Plant Cells Under Microscope
Observing well-defined cells with clear presence of cell walls would help conclude that the cells are plant cells, distinguishable from animal cells by the absence of cell walls. The detection of nuclei within each cell is a common characteristic observed in both plant and animal cells.
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