define cytokines
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What are Cytokines? The term cytokine is derived from a combination of two Greek words - cyto meaning cell and kinos meaning movement. Cytokines are cell signalling molecules that aid cell to cell communication in immune responses and stimulate the movement of cells towards sites of inflammation, infection and trauma. Cytokines exist in peptide, protein and glycoprotein (proteins with a sugar attached) forms.
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How Does Cytokinesis Differ in Animal and Plant Cells? Quick Answer. Cytokinesis is accomplished in animal cells by a narrowing cleavage furrow that pulls inward and eventually splits the cell, while plant cells divide through the formation of a new cell wall that grows outward from the central portion of the cell.
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Cytokinesis Cilliate undergoing cytokinesis, with the cleavage furrow being clearly visible. Animal cell telophase and cytokinesis. Cytokinesis (cyto- + kinesis) is the process during cell division in which the cytoplasm of a single eukaryotic cell is divided to form two daughter cells.nother form of mitosis without cytokinesis occurs in the liver, yielding multinucleate cells. In plant cells, a dividing structure known as the cell plate forms within the centre of the cytoplasm and a new cell wall forms between the two daughter cells.
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Introduction Cytokines that are secreted from lymphocytes are termed lymphokines. A large family of cytokines are produced by various cells of the body. cytotoxic T cells-a subset of T lymphocytes that can kill body cells infected by viruses or transformed by cancer.
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Mitosis, cytokinesis, and meiosis? Cytokinesis is the division of the cytoplasm to form two distinct new daughter cells meiosis is the division of cells in the gonads. (ovaries and testes) it produces gametes where the chromosome number is reduced to half, 23 the haploid number.
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Cytokine Some cytokines enhance or inhibit the action of other cytokines in complex ways. They are different from hormones, which are also important cell signaling molecules, in that hormones circulate in less variable concentrations and hormones tend to be made by specific kinds of cells.
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- White blood cells and certain other cells of the immune system produce cytokines when an antigen is detected. There are many different cytokines, which affect different parts of the immune system: Some cytokines stimulate activity.
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- Cytokinesis is not one of the phases of mitosis or mitosis. It is the division of the cytoplasm (as opposed to karyokinesis, division of the nucleus). Cytokinesis
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cytokinesis cytokinesis. Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells.It occurs concurrently with two types of nuclear division called mitosis and meiosis, which occur in animal cells.ytokinesis. Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells.
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- Any of a group of cytokines, released by macrophages and other cells, that induce the production of interleukin-2 by helper T cells and stimulate the inflammatory response.
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- Cytokines are a large group of proteins, peptides or glycoproteins that are secreted by specific cells of immune system. Cytokines are a category of signaling molecules that mediate and regulate immunity, inflammation and hematopoiesis. Cytokines are produced throughout the body by cells of diverse embryological origin.
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- ■G2 Preparation for cell division ■Phases of mitosis (see 2.5.4) ■Cytokinesis: division of the cytoplasm to form two daughter cells.
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cytokinesis cytokinesis a part of CELL DIVISION that usually occurs during TELOPHASE of nuclear division. The cytoplasm becomes divided into two parts which are sometimes unequal, e.g. the production of ova and polar bodies during OOGENESIS. The mode of splitting differs between organisms.
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Cytokines and How They Work While cytokines is an umbrella term that includes all kinds, there are more specific names given to cytokines based on either the type of cell that makes them or the action they have in the body: 1  lymphokines (made by lymphocytes) 2  monokines (made by monocytes) 3  chemokines ( associated with chemotactic actions)
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- Cytokines may act on the cells that secrete them (autocrine action), on nearby cells (paracrine action), or in some instances on distant cells (endocrine action). It is common for different cell types to secrete the same cytokine or for a single cytokine to act on several different cell types (pleiotropy). Cytokines are redundant in their activity, meaning similar functions can be stimulated by different cytokines.
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- Cytokines are cell signalling molecules that aid cell to cell communication in immune responses and stimulate the movement of cells towards sites of inflammation, infection and trauma. The term cytokine is derived from a combination of two Greek words - cyto meaning cell and kinos meaning movement. Cytokines are cell signalling molecules that aid cell to cell communication in immune responses and stimulate the movement of cells towards sites of inflammation, infection and trauma. Cytokines exist in peptide, protein and glycoprotein (proteins with a sugar attached) forms.
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- cytokinesis. Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells. It occurs concurrently with two types of nuclear division called mitosis and meiosis, which occur in animal cells.
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- Cytokinesis is the physical separation of the cells - a ring of actin (a muscular kind of fiber) pinches the cell into two and creates two separate cells. Mitosis and cytokinesis together are called the M-phase of the cycle.
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interleukin-1 in·ter·leu·kin-·1. A cytokine, derived primarily from mononuclear phagocytes, that enhances the proliferation of T-helper cells and the growth and differentiation of B cells. Il-1 induces the release of Il-2. When secreted in larger quantities, IL-1 is a mediator of inflammation, entering the bloodstream and causing fever, inducing synthesis of acute phase proteins, and initiating metabolic wasting.
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- Cytokinesis is the process where one cell splits off from its sister cell. It usually occurs after cell division. The Cell Cycle is the sequence of growth, DNA replication, growth and cell division that all cells go through.
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- cytokine listen (SY-toh-kine) A type of protein that is made by certain immune and non-immune cells and has an effect on the immune system. Some cytokines stimulate the immune system and others slow it down. They can also be made in the laboratory and used to help the body fight cancer, infections, and other diseases. Examples of cytokines are interleukins, interferons, and colony-stimulating factors (filgrastim, sargramostim).
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