Terms : Hide Images
| 32080789 | actin | a globulin that is present in muscle plasma and that in connection with myosin plays an important role in muscle contraction. | 0 | |
| 32080790 | basal body | a cylindrical organelle, within the cytoplasm of flagellated and ciliated cells, that contains microtubules and forms the base of a flagellum or cilium: identical in internal structure to a centriole. | 1 | |
| 32080791 | cell fractionation | technique in which cells are broken into pieces and the different cell parts are separated | 2 | |
| 32080792 | cell wall | the definite boundary or wall that is part of the outer structure of certain cells, as a plant cell. | 3 | |
| 32080793 | central vacuole | prominent organelle in older plant cells | 4 | |
| 32081667 | centrosome | a small region near the nucleus in the cell cytoplasm, containing the centrioles. | 5 | |
| 32081668 | Chloroplast | a plastid containing chlorophyll. | 6 | |
| 32081669 | chromatin | the readily stainable substance of a cell nucleus, consisting of DNA, RNA, and various proteins, that forms chromosomes during cell division. | 7 | |
| 32081670 | chromosome | any of several threadlike bodies, consisting of chromatin, that carry the genes in a linear order: the human species has 23 pairs, designated 1 to 22 in order of decreasing size and X and Y for the female and male sex chromosomes respectively. | 8 | |
| 32081671 | cilium | minute hairlike organelles, identical in structure to flagella, that line the surfaces of certain cells and beat in rhythmic waves, providing locomotion to ciliate protozoans and moving liquids along internal epithelial tissue in animals. | 9 | |
| 32081672 | collagen | any of a class of extracellular proteins abundant in higher animals, esp. in the skin, bone, cartilage, tendon, and teeth, forming strong insoluble fibers and serving as connective tissue between cells, yielding gelatin when denatured by boiling. | 10 | |
| 32081673 | contractile vacuole | a membrane-enveloped cellular organelle, found in many microorganisms, that periodically expands, filling with water, and then contracts, expelling its contents to the cell exterior: thought to be important in maintaining hydrostatic equilibrium. | 11 | |
| 32081674 | Crista | a crest or ridge. | 12 | |
| 32082976 | cytoplasm | the cell substance between the cell membrane and the nucleus, containing the cytosol, organelles, cytoskeleton, and various particles. | 13 | |
| 32082977 | cytoplasmic streaming | the flowing of cytoplasm in eukaryotic cells. This occurs in both plant and animal cells. | 14 | |
| 32082978 | cytoskeleton | a shifting lattice arrangement of structural and contractile components distributed throughout the cell cytoplasm, composed of microtubules, microfilaments, and larger filaments, functioning as a structural support and transport mechanism. | 15 | |
| 32082979 | cytosol | the water-soluble components of cell cytoplasm, constituting the fluid portion that remains after removal of the organelles and other intracellular structures. | 16 | |
| 32082980 | Desmosome | a plaquelike site on a cell surface that functions in maintaining cohesion with an adjacent cell. | 17 | |
| 32082981 | Dynein | an ATPase that cross-links adjacent microtubules and that by controllingtheir relative sliding motion regulates the movement of cellular organelles and structures (as the beating of cilia and flagella and the movement of chromosomes to the poles of the spindle) | 18 | |
| 32082982 | Electron microscope (EM) | a microscope of extremely high power that uses beams of electrons focused by magnetic lenses instead of rays of light, the magnified image being formed on a fluorescent screen or recorded on a photographic plate: its magnification is substantially greater than that of any optical microscope | 19 | |
| 32082983 | Endomembrane system | composed of the different membranes that are suspended in the cytoplasm within a eukaryotic cell. | 20 | |
| 32082984 | 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. | 21 | |
| 32082985 | Eukaryotic cell | a cell with a true nucleus; a cell with a nuclear membrane and organelles; | 22 | |
| 32082986 | Extracellular matrix (ECM) | the extracellular part of animal tissue that usually provides structural support to the animal cells in addition to performing various other important functions. | 23 | |
| 32082987 | Fibronectin | a fibrous protein that binds to collagen, fibrin, and other proteins and also to the cell membranes, functioning as an anchor and connector. | 24 | |
| 32082988 | Flagellum | a long, lashlike appendage serving as an organ of locomotion in protozoa, sperm cells, etc. | 25 | |
| 32082989 | Food Vacuole | a membrane-enclosed cell vacuole with a digestive function, containing material taken up in by the process of phagocytosis | 26 | |
| 32082990 | Gap Junction | a linkage of two adjacent cells consisting of a system of channels extending across a gap from one cell to the other, allowing the passage of ions and small molecules | 27 | |
| 32082991 | glycoprotein | any of a group of complex proteins, as mucin, containing a carbohydrate combined with a simple protein. | 28 | |
| 32082992 | Golgi Apparatus | an organelle, consisting of layers of flattened sacs, that takes up and processes secretory and synthetic products from the endoplasmic reticulum and then either releases the finished products into various parts of the cell cytoplasm or secretes them to the outside of the cell. | 29 | |
| 32082993 | Granum | one of the structural units of a chloroplast in vascular plants, consisting of layers of thylakoids. | 30 | |
| 32082994 | Integrin | any of various glycoproteins that are found on cell surfaces (asof white blood cells or platelets), that are composed of two dissimilar polypeptide chains, that are receptors for various proteins which typically bind to the tripeptide ligand consisting of arginine,glycine, and aspartic acid, that promote adhesion of cells (as T cells) to other cells (as endothelial cells) or to extracellular material (as fibronectin or laminin), and that mediate variousbiological processes (as phagocytosis, wound healing, and embryogenesis | 31 | |
| 32082995 | Intermediate Filament | any of a class of usually insoluble cellular protein fibers (as a neurofilament or an epithelial-cell cytoplasmicfilament of keratin) composed of various fibrous polypeptides that serve especially to provide structural stability and strength to the cytoskeleton and are intermediate in diameter betweenmicrofilaments and microtubules | 32 | |
| 32082996 | Light Microscope (LM) | an ordinary microscope that uses light as distinguished from an electron microscope | 33 | |
| 32082997 | Lysosome | a cell organelle containing enzymes that digest particles and that disintegrate the cell after its death. | 34 | |
| 32082998 | Microfilament | a minute, narrow tubelike cell structure composed of a protein similar to actin, occurring singly and in bundles, involved in cytoplasmic movement and changes in cell shape. | 35 | |
| 32082999 | Microtubule | a hollow cylindrical structure in the cytoplasm of most cells, involved in intracellular shape and transport | 36 | |
| 32083000 | middle lamella | the layer of cementing material, composed of pectates and similar substances, between the walls of adjacent cells. | 37 | |
| 32083001 | Mitochondrial matrix | contains soluble enzymes that catalyze the oxidation of pyruvate and other small organic molecules | 38 | |
| 32083751 | mitochondrion | an organelle in the cytoplasm of cells that functions in energy production. | 39 | |
| 32083752 | Myosin | the principal contractile protein of muscle. | 40 | |
| 32083753 | nuclear envelope | the double membrane surrounding the nucleus within a cell. | 41 | |
| 32083754 | Nuclear lamina | dense (~30 to 100 nm thick) fibrillar network inside the nucleus of an eukaryotic cell. It is composed of intermediate filaments and membrane associated proteins. | 42 | |
| 32083755 | Nucleoid | the central region in a prokaryotic cell, as a bacterium, that contains the chromosomes and that has no surrounding membrane. | 43 | |
| 32083756 | Nucleolus | a conspicuous, rounded body within the nucleus of a cell | 44 | |
| 32083757 | Transmission electron microscope (TEM) | a conventional electron microscope which produces an image of a cross-sectional slice of a specimen allpoints of which are illuminated by the electron beam at the same time | 45 | |
| 32213283 | Transport Vesicle | a small bubble of liquid within a cell. a small, intracellular, membrane-enclosed sac that stores or transports substances within a cell. | 46 | |
| 32213284 | Ultracentrifuge | a high-speed centrifuge for subjecting sols or solutions to forces many times that of gravity and producing concentration differences depending on the weight of the micelle or molecule. | 47 |
