Excitable cells - PowerPoint PPT Presentation


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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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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Understanding Nerves and Muscles Physiology: Lecture Insights by Dr. Amar AL-Musawi MD, PhD

Delve into the intricacies of cardiac action potential, mechanism of action potential propagation, rhythmicity in excitable tissues, and the crucial concept of refractory period. Explore how voltage-gated channels influence the duration of action potential and learn about the spontaneous generation

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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 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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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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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 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 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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Understanding Meiotic Cell Division and Sexual Reproduction in General Biology

Meiosis is a crucial process in sexually reproducing organisms where cells divide to produce sex cells with half the normal number of chromosomes. This ensures genetic variation in offspring. Meiosis takes place in specific cells of an organism with paired chromosomes (diploid cells), leading to the

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Understanding Tissue Repair Mechanisms: Regeneration and Fibrosis

Tissue repair involves complex mechanisms like regeneration by parenchymal cells or fibrosis leading to scar formation. Inflammatory cells play a crucial role in tissue repair, along with processes like ECM synthesis and cell migration. Different types of cells in the body have varying regenerative

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Understanding Wound Healing Processes

The body's response to injury involves two main processes of wound healing - regeneration and repair. Regeneration involves proliferation of parenchymatous cells, while repair results in fibrosis and scarring by proliferation of connective tissue. Different types of cells play varying roles in the h

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Understanding Hematopoiesis and White Blood Cells in Blood Formation Process

The process of hematopoiesis involves the lifelong production, multiplication, and specialization of different blood cells in the bone marrow, starting with the stem cells. This process includes the differentiation and proliferation of various progenitor cells, regulated by hematopoietic growth fact

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Understanding Membrane Potential and Action Potentials in Excitable Cells

Membrane potential, resting potential, and action potentials play crucial roles in the functioning of excitable cells like neurons, muscle cells, and endocrine cells. Voltage-gated channels, depolarization, and repolarization are key processes involved in generating and propagating action potentials

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Understanding Animal Tissues: Epithelial, Muscle, Nerve, and Connective Tissues

Explore the four general categories of animal tissue - epithelial, muscle, nerve, and connective tissues. Learn about the traits, classification, examples, and functions of each type of tissue. From the tightly packed cells of epithelial tissue to the excitable nature of muscle tissue, delve into th

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Understanding Ion Channels in Cell Communication

Ion channels play a crucial role in cell communication by allowing ions to pass through cell membranes, controlling various cellular functions. Their high transport rate and electrochemical gradient differentiate them from other ion transporter proteins. Ion channels have diverse biological roles, i

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Detection of Mutations in EGFR in Circulating Lung Cancer Cells: Study on SARMS Assay and CTC-Chip

This study by Shyamala Maherswaran, Ph.D., and team focuses on characterizing mutations in EGFR in circulating tumor cells using SARMS assay and CTC-chip. The research investigates the effectiveness of these non-invasive methods in analyzing tumors and explores the role of the T790M mutation in resp

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Introduction to Dye Sensitized Solar Cells

Dye Sensitized Solar Cells, pioneered in 1991, offer cost-effective and efficient solar energy conversion. Comprising a photoanode with a dye sensitizer, electrolyte, and counter electrode, these cells operate by converting sunlight into usable electrical energy. The cells can be enhanced for higher

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Understanding the Respiratory System Components and Functions

The respiratory system consists of two primary subdivisions: the Air Conducting portion and the Respiratory portion. The Air Conducting portion includes nasal cavity, naso-pharynx, larynx, trachea, bronchi, bronchioles, and terminal bronchioles, providing a pathway to and from the lungs while condit

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Comparison of Eukaryotic and Prokaryotic Cells in Cell Biology

Cells are the fundamental units of life, but viruses are an exception as they lack cells. Eukaryotic cells have a defined nucleus with a nuclear membrane housing chromosomes, while prokaryotic cells lack a membrane-bound nucleus and other organelles. Eukaryotic cells are larger, containing membrane-

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Cell Division Mechanisms in Prokaryotic and Eukaryotic Cells

Prokaryotic cells divide through binary fission, while eukaryotic cells undergo mitosis with nuclear division and cytokinesis. Prokaryotic cells lack a nucleus and divide by replicating DNA and forming two identical daughter cells. Eukaryotic chromosomes, associated with histone proteins, undergo co

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Understanding Stem Cell Transplantation: Removing Sleepy Immune Cells and Fighting "The Bad Boys

Stem cell transplantation involves addressing the issue of immune cells failing to recognize and eliminate tumor cells, known as "The Bad Boys." By removing the dormant immune cells and replacing them with new ones from a compatible donor, the therapy aims to empower the immune system to target and

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Overview of Small Intestine Histology and Function

The small intestine is a key organ in the digestive system responsible for the digestion and absorption of nutrients. It is divided into the duodenum, jejunum, and ileum, each with specific functions and structures like plicae circulares, villi, microvilli, and crypts of Lieberkühn. The intestinal

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Understanding DNA Transformation in Bacterial Cells

DNA transformation is a crucial process in genetic engineering, where foreign DNA is introduced into bacterial cells such as E. coli. This process, known as transformation, involves making the cells competent to uptake DNA through physical and chemical treatments. The uptake of DNA occurs after trea

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Overview of the Lymphatic System and Immune Response

The lymphatic system plays a crucial role in returning leaked fluids back to the blood, protecting the body from foreign materials, and supporting immune surveillance. It consists of lymphoid cells such as T and B lymphocytes, macrophages, dendritic cells, and reticular cells that work together to d

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Understanding Stem Cells and Cell Potency in Animal Cells

Stem cells play a crucial role in animal cells, offering the potential to differentiate into various cell types. Totipotent stem cells are the most versatile, capable of developing into any cell type in the embryo, including extra-embryonic cells. Pluripotent stem cells can give rise to all body cel

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Understanding Commercial Cells and Batteries in Chemistry

Commercial cells and batteries are essential sources of electrochemical electricity. There are two main types: primary cells, which are one-time use and irreversible, and secondary cells, which are rechargeable and reversible. Examples include dry cells and lead storage cells. The components and rea

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Understanding the Importance of Blood Composition and Functions

Blood is a complex tissue composed of red cells, white cells, platelets, and plasma, each serving crucial functions such as oxygen transport, waste removal, and immune system support. Red cells contain hemoglobin for oxygen transport, while white cells play a key role in defending the body against i

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Understanding Fuel Cells: Definition, Working, and Applications

Fuel cells are electrochemical cells that generate electricity through reactions between fuel and an oxidizing agent like oxygen. They offer high efficiency compared to traditional power plants. The working of fuel cells involves hydrogen and oxygen reacting to produce electricity. NASA has utilized

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