define ectoplasm
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Ectoplasm (paranormal) Ectoplasm (paranormal) Ectoplasm (from the Greek ektos, meaning outside, and plasma, meaning something formed or molded) is a term coined by Charles Richet to denote a substance or spiritual energy exteriorized by physical mediums. Ectoplasm is said to be associated with the formation of spirits. Ectoplasm is considered by some to be a hoax, fashioned from cheesecloth, gauze or other natural substances.
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ectoplasm (countable and uncountable, plural ectoplasms) ( 1 parapsychology) The visible substance believed to emanate from the body of a spiritualistic medium during communication with the dead. ( 2 parapsychology) An immaterial or ethereal substance, especially the transparent corporeal presence of a spirit or ghost.
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What is the cytoplasm? The gel-like liquid in a cell that holds all of the cell's structures together. Added: The gel like liquid is the cytosol; all the structures, organelles, suspended in this l…iquid and the liquid make up the cytoplasm.
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What is the definition of endoplasmic reticulum? a network of tubular membranes within the cytoplasm of the cell, occurring either with a smooth surface (smooth endoplasmic reticulum) or studded with ribosomes (rough endoplasmic reticulum) involved in the transport of materials. Origin of endoplasmic reticulum Expand. 1945-1950.
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- : the organized complex of inorganic and organic substances external to the nuclear membrane of a cell and including the cytosol and membrane-bound organelles (as mitochondria or chloroplasts) — see cell illustration.— cy·to·plas·mic \ˌsī-tə-ˈplaz-mik\ adjective. — cy·to·plas·mi·cal·ly \-mi-k(ə-)lē\ adverb. the organized complex of inorganic and organic substances external to the nuclear membrane of a cell and including the cytosol and membrane-bound organelles (as mitochondria or chloroplasts).
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- 1. In bacteria, the cytoplasm refers to anything enclosed by the cytoplasmic membrane. 2. The liquid portion of the cytoplasm is called the cytosol. 3. The cytoplasm is the site of most bacterial metabolism.
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- In biology, the extracellular matrix (ECM) is a collection of extracellular molecules secreted by cells that provides structural and biochemical support to the surrounding cells.
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- Cytoplasm is the fluid that fills cells and serves several important functions. Cytoplasm holds the internal components of cells in place and protects them from damage. Cytoplasm stores molecules used for cellular processes, as well as hosts many of these processes within the cell itself.
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plasma Protoplasm or cytoplasm. 3. A state of matter similar to a gas but consisting of positively charged ions with most or all of their detached electrons moving freely about. Because the concentrations of free electrons and positively charged ions are nearly equal, a plasma is electrically neutral.
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- Definition of ENDOPLASMIC RETICULUM. : a system of interconnected vesicular and lamellar cytoplasmic membranes that functions especially in the transport of materials within the cell and that is studded with ribosomes in some places — see cell illustration.See endoplasmic reticulum defined for kids. a system of interconnected vesicular and lamellar cytoplasmic membranes that functions especially in the transport of materials within the cell and that is studded with ribosomes in some places — see cell illustration. See endoplasmic reticulum defined for kids.
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MADMAN BIOLOGY A membrane-enclosed sac taking up most of the interior of a mature plant cell and containing a variety of substances important in plant reproduction, growth, and development. type of cell with a membrane-enclosed nucleus and membrane-enclosed organelles, present in protists, plants, fungi, and animals; also called eukaryote. 24. extracellular matrix (ECM). The substance in which animal tissue cells are embedded consisting of protein and polysaccharides. 25.
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- Overview. The Extracellular Matrix (ECM) is a complex structural system that supports and protects animal cells, and is often referred to as the connective tissue. The meshlike structure of the ECM is composed of mainly from collagen proteins connected to glycoprotein.
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Ectoderm Ectoderm is one of the three primary germ layers in the very early embryo. The other two layers are the mesoderm (middle layer) and endoderm (most proximal layer), with the ectoderm as the most exterior (or distal) layer. It emerges and originates from the outer layer of germ cells. The word ectoderm comes from the Greek ektos meaning outside, and derma, meaning skin.
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- A cytoplasm is the water-based gel in which the organelles of all  living things are suspended in a cell   a cytoplasm is the inside of a cell. + 42 others found this useful. Phillip Allen.
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Ectoplasm There are two known types of ectoplasm, the first being the common black colored ectoplasm given off by extremely angry ghosts. The second one is pretty much similar in consistency, but its color is more akin to moss, and it is given off by a type of ghost called a specter.
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endoplasmic reticulum endoplas′mic retic′ulum. a network of tubular membranes within the cytoplasm of the cell, occurring either with a smooth surface (smooth endoplasmic reticulum) or studded with ribosomes (rough endoplasmic reticulum), involved in the transport of materials..[1945–50].ndoplas′mic retic′ulum. a network of tubular membranes within the cytoplasm of the cell, occurring either with a smooth surface (smooth endoplasmic reticulum) or studded with ribosomes (rough endoplasmic reticulum), involved in the transport of materials..
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- Overview. The Extracellular Matrix (ECM) is a complex structural system that supports and protects animal cells, and is often referred to as the connective tissue. The meshlike structure of the ECM is composed of mainly from collagen proteins connected to glycoprotein.he Extracellular Matrix is composed of many different parts such as the cell's plasma membrane, cytoplasm, microfilaments, and receptor proteins (integrin) but is mainly made up of Glycoproteins (made of a core protein with carbohydrate chains).
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cytoplasm cytoplasm. Cytoplasm is a thick solution that fills each cell and is enclosed by the cell membrane. It is mainly composed of water, salts, and proteins. In eukaryotic cells, the cytoplasm includes all of the material inside the cell and outside of the nucleus.All of the organelles in eukaryotic cells, such as the nucleus, endoplasmic reticulum, and mitochondria, are located in the cytoplasm.The portion of the cytoplasm that is not contained in the organelles is called the cytosol. Although cytoplasm may appear to have no form or structure, it is actually highly organized.A framework of protein scaffolds called the cytoskeleton provides the cytoplasm and the cell with their structure.ytoplasm. Cytoplasm is a thick solution that fills each cell and is enclosed by the cell membrane. It is mainly composed of water, salts, and proteins. In eukaryotic cells, the cytoplasm includes all of the material inside the cell and outside of the nucleus.
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meristem Meristem. formative tissue, a plant tissue characterized by prolonged cell-division activity. Some cells of the meristem—the initiating cells—remain in the embryonic phase of development and, by dividing, provide uninterrupted growth of the plant body.
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What is ectoplasm? Because for a long time, ectoplasm was absolutely something mysterious but not altogether insane -- if you were hanging out at séances, that is. In a séance, a medium supposedly communicates (or helps others communicate with) a spirit. During the 19th and early 20th centuries, séances were a popular fad.
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endoplasmic reticulum Definition of endoplasmic reticulum : a system of interconnected vesicular and lamellar cytoplasmic membranes that functions especially in the transport of materials within the cell and that is studded with ribosomes in some places — see cell illustration
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cytoplasm cytoplasm. Cytoplasm is a thick solution that fills each cell and is enclosed by the cell membrane. It is mainly composed of water, salts, and proteins. In eukaryotic cells, the cytoplasm includes all of the material inside the cell and outside of the nucleus.All of the organelles in eukaryotic cells, such as the nucleus, endoplasmic reticulum, and mitochondria, are located in the cytoplasm.t is mainly composed of water, salts, and proteins. In eukaryotic cells, the cytoplasm includes all of the material inside the cell and outside of the nucleus. All of the organelles in eukaryotic cells, such as the nucleus, endoplasmic reticulum, and mitochondria, are located in the cytoplasm.
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cell Biology. a usually microscopic structure containing nuclear and cytoplasmic material enclosed by a semipermeable membrane and, in plants, a cell wall; the basic structural unit of all organisms. 5. Entomology. one of the areas into which the wing of an insect is divided by the veins.
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cytoplasm 1. (Microbiology) the protoplasm of a cell contained within the cell membrane but excluding the nucleus: contains organelles, vesicles, and other inclusions.
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What is cytoplasm? In cell biology, the cytoplasm is the material within a living cell, excluding the cell nucleus. It comprises cytosol (the gel-like substance enclosed within the cell membrane) and the organelles – the cell's internal sub-structures. All of the contents of the cells of prokaryotic organisms (such as bacteria, which lack a cell nucleus) are contained within the cytoplasm.
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- The endoplasmic reticulum (ER) is an organelle that appears in all eukaryotic cells, usually surrounding the nucleus. The ER is made of a series of membranes that extend throu … ghout the jelly-like cytoplasm and kind of form a maze.