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Cell: Encyclopedia - Cell
A cell is a single unit or compartment, enclosed by a border or wall. A cell is usually part of a larger structure. More specific meaning...
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Basket Cell: Encyclopedia - Basket Cell
Basket cells are inhibitory GABAergic interneurons found in the molecular layer of the cerebellum. They synapse on the cell bodies of Pur...
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Cell Biology: Encyclopedia Ii - Cell Biology - Anatomy Of Cells
Cell biology - Prokaryotic cells.
Prokaryotes are distinguished from eukaryotes on the basis of nuclear organization, specifically thei...
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Bipolar Cell: Encyclopedia - Bipolar Cell
As a part of the retina, the bipolar cell exists between photoreceptors (rod cells and cone cells) and ganglion cells.
Bipolar cells are ...
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Cell Line: Encyclopedia - Cell Line
A cell line is a culture of cells that grow and replicate continuously. The term typically refers to populations of cells isolated from l...
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Cytotoxic T Cell: Encyclopedia - Cytotoxic T Cell
A cytotoxic (or TC) T cell is a T cell (a type of white blood cell) which has on its surface antigen receptors that can bind to fragments...
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Chief Cell: Encyclopedia - Chief Cell
In general, a chief cell (or a "zymogenic cell") is a cell which releases a precursor enzyme. There are two types of chief cells which ar...
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Wet Cell: Encyclopedia - Wet Cell
A wet cell is a galvanic electrochemical cell commonly used as a learning tool for electrochemistry. The most famous wet cell is the Dani...
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Cell Church: Encyclopedia - Cell Church
Cell church refers to a church structure based on the regular gathering of small groups. Rather than focus on a large Sunday service, cel...
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Chromaffin Cell: Encyclopedia - Chromaffin Cell
Chromaffin cells are neuroendocrine cells found in the medulla of the adrenal gland and in other ganglia of the sympathetic nervous syste...
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Alpha Cell: Encyclopedia - Alpha Cell
Alpha cells are endocrine cells in the islets of Langerhans of the pancreas. They are responsible for synthesizing and secreting the pept...
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Brain Cell: Encyclopedia - Brain Cell
Brain cells incude mostly neurons and glial cells. Neurons perform the processing and storage of information involved in brain function. ...
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Cell Mathematics: Encyclopedia - Cell Mathematics
A cell is a three-dimensional object that is part of a higher-dimensional object, such as a polychoron. A cell is related to higher-dimen...
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Cell Journal: Encyclopedia - Cell Journal
Cell is a bi-monthly peer-reviewed scientific journal which publishes novel research in any area of experimental biology that is signific...
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Cell Theory: Encyclopedia - Cell Theory
Cell theory is a scientific theory that is one of the foundations of biology. The generally accepted parts of cell theory include:
The c...
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Cell Division: Encyclopedia - Cell Division
Cell division is the process by which a cell (called the parent cell) divides into two cells (called daughter cells). Cell division is us...
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Cell Cycle: Encyclopedia - Cell Cycle
The cell cycle, or cell division cycle, is the cycle of events in a eukaryotic cell from one cell division to the next. It consists of in...
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Cell Wall: Encyclopedia - Cell Wall
A cell wall is a more or less solid layer surrounding a cell. They are found in bacteria, archaea, fungi, plants, and algae. Animals and ...
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Cell Adhesion: Encyclopedia - Cell Adhesion
The study of cell adhesion is part of cell biology. Cells are often not found in isolation, rather they tend to stick to other cells or n...
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Antigen-presenting Cell: Encyclopedia - Antigen-presenting Cell
An antigen-presenting cell (APC) is a cell that displays foreign antigen complexed with MHC on its surface. T-cells may recognize this co...
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Covert Cell: Encyclopedia - Covert Cell
A covert cell structure is a method for organizing a group in such a way that it can more effectively resist penetration by an opposing o...
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Unipotent Cell: Encyclopedia - Unipotent Cell
Unipotent cell, in cell biology, is used to describe a cell (e.g. a stem cell) which has the capacity to develop/differentiate into only ...
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Cell-mediated Immunity: Encyclopedia - Cell-mediated Immunity
Cell-mediated immunity is an immune response that does not involve antibodies but rather involves the activation of macrophages and natur...
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Cell Growth: Encyclopedia - Cell Growth
The term cell growth is used in two different ways in biology. When used in the context of reproduction of living cells the phrase "cell ...
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Convection Cell: Encyclopedia - Convection Cell
A convection cell is a phenomenon of fluid dynamics which occurs in situations where there are temperature differences within a body of l...
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Cell Music: Encyclopedia - Cell Music
In music a cell is similar to a figure or motif.
The 1957 Encyclopédie Larousse defines a cell as follows:
"a small rhythmic and melodi...
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Cell Membrane: Encyclopedia - Cell Membrane
A component of every biological cell, the selectively permeable cell membrane (or plasma membrane or plasmalemma) is a thin and structure...
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Cell Nucleus: Encyclopedia - Cell Nucleus
In cell biology, the nucleus (from Latin nucleus or nuculeus, kernel) is found in all eukaryotic cells that contains most of the cell's g...
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Cell Site: Encyclopedia - Cell Site
A cell site is a site where a wireless antenna and network communications equipment are placed to create the network cells for the use of...
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Cone Cell: Encyclopedia - Cone Cell
Cone cells, or cones, are cells in the retina of the eye which only function in relatively bright light. There are about 6 million in th...
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Cell Dragon Ball: Encyclopedia - Cell Dragon Ball
Cell is a fictional character in the Anime Dragon Ball Z. He is a Bio Android.
Cell Dragon Ball - Origins.
Cell is the product of Doctor...
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B Cell: Encyclopedia - B Cell
B cells are lymphocytes that play a large role in the humoral immune response (as opposed to the cell-mediated immune response). The abbr...
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Cell Metabolism: Encyclopedia - Cell Metabolism
Cell metabolism is the process (or really the sum of many ongoing individual processes) by which living cells process nutrient molecules ...
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Cell Adhesion Molecule: Encyclopedia - Cell Adhesion Molecule
Cell Adhesion Molecules (CAMs) are proteins located on the cell surface involved with the binding with other cells or with the extracellu...
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Cell Biology: Encyclopedia Ii - Cell Biology - Cell Functions
Cell biology - Cell growth and metabolism.
Main articles: Cell growth, Cell metabolism
Between successive cell divisions cells grow thr...
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White Blood Cell: Encyclopedia - White Blood Cell
White blood cells (also called leukocytes or immune cells) are a component of blood. They help to defend the body against infectious dise...
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Cell Biology: Encyclopedia - Cell Biology
Cell biology (also called cellular biology or cytology, from the Greek kytos, "container") is an academic discipline which studies cells....
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Stem Cell: Encyclopedia - Stem Cell
Stem cells are primal undifferentiated cells which retain the ability to differentiate into other cell types. This ability allows them to...
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Cell Wall: Encyclopedia Ii - Cell Wall - Plant Cell Walls
Plant cell walls have a number of functions: they provide rigidity to the cell for structural and mechanical support, maintaining cell sh...
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Cell Biology: Encyclopedia Ii - Cell Biology - Origins Of Cells
Main article: Origin of life
The origin of cells has to do with the origin of life, and was one of the most important steps in evolution ...
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Cell Wall: Encyclopedia Ii - Cell Wall - Fungal Cell Walls
Not all species of fungi have cell walls but in those that do, the cell walls are composed of cellulose, glucosamine, and chitin, the sam...
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Cell Wall: Encyclopedia Ii - Cell Wall - Algal Cell Walls
Like plants, algae have cell walls (Sendbusch, 2003). Algal cell walls contain cellulose and a variety of glycoproteins. The inclusion of...
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Cell Wall: Encyclopedia Ii - Cell Wall - Algal Cell Walls
Like plants, algae have cell walls (Sendbusch, 2003). Algal cell walls contain cellulose and a variety of glycoproteins. The inclusion of...
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Cell Division: Encyclopedia Ii - Cell Division - Variants Of Cell Division
Cells are classified into two categories: simple, non-nucleated prokaryotic cells, and complex, nucleated eukaryotic cells. By virtue of ...
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Cell Wall: Encyclopedia Ii - Cell Wall - Prokaryotic Cell Walls
Cell walls of bacteria are primarily used for protection against hostile environments or, in the case of pathogenic bacteria, against the...
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Cell Division: Encyclopedia Ii - Cell Division - Variants Of Cell Division
Cells are classified into two categories: simple, non-nucleated prokaryotic cells, and complex, nucleated eukaryotic cells. By virtue of ...
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Cell Biology: Encyclopedia Ii - Cell Biology - Overview
Cell biology - Properties of cells.
Each cell is at least somewhat self-contained and self-maintaining: it can take in nutrients, conve...
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Cell Biology: Encyclopedia Ii - Cell Biology - Overview
Cell biology - Properties of cells.
Each cell is at least somewhat self-contained and self-maintaining: it can take in nutrients, conve...
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Stem Cell: Encyclopedia Ii - Stem Cell - Types
Stem cells are categorized by potency which describes the specificity of the cell.
Totipotent stem cells are produced from the fusion of...
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Stem Cell: Encyclopedia Ii - Stem Cell - Types
Stem cells are categorized by potency which describes the specificity of the cell.
Totipotent stem cells are produced from the fusion of...
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Cell Theory: Encyclopedia Ii - Cell Theory - Cell Theory History
In 1838, the botanist Matthias Jakob Schleiden and Theodor Schwann, a physiologist discovered that both plant and animal cells had nuclei...
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Cell Growth: Encyclopedia Ii - Cell Growth - Cell Reproduction
Cell reproduction is asexual.
The process of cell reproduction has three major parts. The first part of cell reproduction involves the re...
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Cell Growth: Encyclopedia Ii - Cell Growth - Cell Size
Many cells never have a large increase in size after they are first formed from a parental cell. Typical stem cells reproduce, double in ...
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Dendritic Cell: Encyclopedia Ii - Dendritic Cell - Types Of Dendritic Cells
Unfortunately, there are at least two different types of cells involved with immunity that are called dendritic cells. The exact relation...
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Splinter Cell: Encyclopedia Ii - Splinter Cell - Splinter Cell
A "Splinter Cell" is an agent of Third Echelon of the National Security Agency (NSA) that is sent out into the world to exercise the use ...
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Fuel Cell: Encyclopedia Ii - Fuel Cell - The Fuel Cell Industry
United Technologies (UTX) was the first company to manufacture fuel cells. In the 1960s the company provided NASA with fuel cells to gene...
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Stem Cell: Encyclopedia Ii - Stem Cell - Treatments
Stem cell - Current treatments.
For over 30 years, bone marrow (adult) stem cells have been used to treat cancer patients with conditio...
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Cell Growth: Encyclopedia Ii - Cell Growth - Cell Size
Many cells never have a large increase in size after they are first formed from a parental cell. Typical stem cells reproduce, double in ...
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Cell Growth: Encyclopedia Ii - Cell Growth - Cell Reproduction
The process of cell reproduction has three major parts. The first part of cell reproduction involves the replication of the parental cell...
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Splinter Cell: Encyclopedia Ii - Splinter Cell - Film
The existence of a movie in pre-production has been confirmed both by news sources and by the inclusion of a teaser trailer in the Limite...
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Stem Cell: Encyclopedia Ii - Stem Cell - Treatments
Medical researchers believe that stem cell research has the potential to change the face of human disease and alleviate suffering. A numb...
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Mast Cell: Encyclopedia Ii - Mast Cell - Physiology
Mast cells express a high-affinity receptor (FcεRI) for Immunoglobulin E (IgE), the least abundant member of the antibodies. This recept...
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Splinter Cell: Encyclopedia Ii - Splinter Cell - Trivia
Originally, Tom Clancy rejected the idea of Sam Fisher having trifocal goggles, stating that goggles with both thermal vision and night v...
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Secondary Cell: Encyclopedia Ii - Secondary Cell - Secondary Cell Sites
[1] Duracell Secondary Cell Batteries
[2] Portable Rechargeable Battery Association
[3] Batteries in a Portable World
[4]Cell Chemistry
...
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Stem Cell: Encyclopedia Ii - Stem Cell - Treatments
Medical researchers believe that stem cell research has the potential to change the face of human disease and alleviate suffering. A numb...
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Cell Biology: Encyclopedia Ii - Cell Biology - Subcellular Components
All cells whether prokaryotic or eukaryotic have a membrane, which envelopes the cell, separates its interior from its environment, contr...
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Cell Disruption: Encyclopedia Ii - Cell Disruption - The Cell Bomb
A fourth laboratory-scale system for cell disruption is rapid decompression or the “cell bomb” method. In this process, cells in ques...
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Fuel Cell: Encyclopedia Ii - Fuel Cell - Efficiency
A fuel cell typically converts the chemical energy of its fuel into electricity with an efficiency of about 50%. (The rest of the energy ...
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Fuel Cell: Encyclopedia Ii - Fuel Cell - History
The principle of the fuel cell was discovered by Swiss scientist Christian Friedrich Schönbein in 1838 and published in the January 1839...
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24-cell: Encyclopedia Ii - 24-cell - Geometry
The boundary of the 24-cell is composed of 24 octahedral cells with six meeting at each vertex. Together they have 96 triangular faces, 9...
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Stem Cell: Encyclopedia Ii - Stem Cell - Embryonic Stem Cell Ethical Debate
The controversy over stem cell research arises from how they are created. Some are the by-product of in-vitro fertilization attempts by c...
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Cone Cell: Encyclopedia Ii - Cone Cell - Structure
Cone cells are larger and less numerous than rods. Structurally, cone cells have a cone-like shape at one end where the pigment that filt...
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Cell Biology: Encyclopedia Ii - Cell Biology - Processes In Cell Biology
Cell biology - Movement of proteins.
Proteins are synthesized by ribosomes in the cytoplasm. This process is also known as protein bios...
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Cell Metabolism: Encyclopedia Ii - Cell Metabolism - Anabolism
Main article: Anabolism
Anabolism is a constructive metabolic process whereby energy is consumed to synthesize or combine simpler substan...
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Cell Culture: Encyclopedia Ii - Cell Culture - Concepts
A cell line is a grown and maintained in the favourable conditions (e.g. 37°C, 5% CO2). culture of cells that grow and replicate continu...
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Fuel Cell: Encyclopedia Ii - Fuel Cell - Science
In the archetypal example of a hydrogen/oxygen proton-exchange membrane (or "polymer electrolyte") fuel cell (PEMFC), a proton-conducting...
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The Ancestor Cell: Encyclopedia Ii - The Ancestor Cell - Plot
The Eighth Doctor is captured while escaping from the Edifice, a massive, bone structure that has appeared in the skies above Gallifrey, ...
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B Cell: Encyclopedia Ii - B Cell - Production Of B Cells
B cells are produced through several stages, each stage represents a change in the genome content, in which the variety of antibodies are...
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Antigen-presenting Cell: Encyclopedia Ii - Antigen-presenting Cell - Types
There are three main types of professional antigen-presenting cells:
Dendritic cells
Macrophages
B-cells
These APCs are very efficient ...
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Solar Cell: Encyclopedia Ii - Solar Cell - Theory
Solar cell - Background.
In order to understand how a solar cell works, a little background theory in semiconductor physics is required...
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Solar Cell: Encyclopedia Ii - Solar Cell - Theory
Solar cell - Background.
In order to understand how a solar cell works, a little background theory in semiconductor physics is required...
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Cell Microprocessor: Encyclopedia Ii - Cell Microprocessor - Architecture
While the Cell chip can have a number of different configurations, the basic configuration is composed of one "Power Processor Element" (...
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Cell Biology: Encyclopedia Ii - Cell Biology - Techniques
Cell biology - Purification of cells and their parts.
Purification of cells and their parts is achieved in the following ways:
Cell fr...
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Cell Biology: Encyclopedia Ii - Cell Biology - Techniques
Cell biology - Purification of cells and their parts.
Purification of cells and their parts is achieved in the following ways:
Cell fr...
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Plasma Cell: Encyclopedia Ii - Plasma Cell - Overview
After dividing for around five days, mature B cells differentiate into either plasma B cells or memory B cells. Most plasma B cells trave...
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Glial Cell: Encyclopedia Ii - Glial Cell - Function
Some glia function primarily as physical support for neurons. Others regulate the internal environment of the brain, especially the fluid...
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Cell Disruption: Encyclopedia Ii - Cell Disruption - Lysis
For easily disrupted cells such as insect and mammalian cells grown in culture media, a mild method for cell disruption (lysis) is common...
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Solar Cell: Encyclopedia Ii - Solar Cell - Introduction
Solar cell - Etymology.
The term "photovoltaic" comes from the Greek photos meaning light, and the name of the Italian physicist Volta,...
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Solar Cell: Encyclopedia Ii - Solar Cell - Theory
Solar cell - Background.
In order to understand how a solar cell works, a little background theory in semiconductor physics is required...
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16-cell: Encyclopedia Ii - 16-cell - Geometry
The hexadecachoron is a member of the family of polytopes called the cross-polytopes, which exist in all dimensions. As such, its dual po...
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Cell Disruption: Encyclopedia Ii - Cell Disruption - Sonication
A third common laboratory-scale method for cell disruption applies ultrasound (typically 20-50 KHz) to the sample (sonication). In princi...
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Dendritic Cell: Encyclopedia Ii - Dendritic Cell - Life Cycle
Dendritic cells start out as immature dendritic cells. These cells are characterized by high endocytic activity and low T-cell activation...
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Cell Dragon Ball: Encyclopedia Ii - Cell Dragon Ball - Perfect Cell Saga
Kuririn, enraged by Cell's absorbing 18, launched an attack on Cell; Cell barely registered the hits until he "lightly" kicked Kuririn aw...
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Mast Cell: Encyclopedia Ii - Mast Cell - Origin And Classification
Mast cells were first described by Paul Ehrlich in 1878 on the basis of their unique staining characteristics and large granules. These g...
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Cone Cell: Encyclopedia Ii - Cone Cell - Types
The three kinds of cones typically respond most to yellowish-green (long wavelength or L), green (medium or M), and bluish-violet (short ...
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Cell Dragon Ball: Encyclopedia Ii - Cell Dragon Ball - Cell Games Saga
Unexpectedly, the first challenger to arrive at the Cell Games was the relatively weak human Mr. Satan who arrogantly boasted that Cell h...
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Dry Cell: Encyclopedia Ii - Dry Cell - Chemistry
Like all electrochemical cells, the dry cell gets its electrical energy from an internal chemical reaction which takes the form of two ha...
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T Helper Cell: Encyclopedia Ii - T Helper Cell - Determination Of The Helper T Cell Response
Helper T cells are capable of influencing the actions of a variety of immune cells, and the response generated (including the extracellul...
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Dry Cell: Encyclopedia Ii - Dry Cell - History
The dry cell as we know it today was invented by Georges Leclanché in 1866. His design used a positive electrode consisting of a mixture...
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Dictionary
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T Cell:
Oceanography Dictionary - T Cell
Definition and meaning of T cell:
T cell - one type of white blood cell that attacks virus-infected cells, foreign c...
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