45 results found

Search Results for: microtubule

Microtubule

Microtubule Definition noun plural: microtubules mi·cro·tu·bule, mī'krō-tū'byūl A cytoplasmic tubule made up of... Read More

Microtubule-associated protein

Definition noun, plural: microtubule-associated proteins Any of the proteins bound to the tubulin subunits of the... Read More

Microtubule organizing center

Definition noun A structure inside the cell from where microtubules organize following depolymerization to turn into tubular... Read More

Microtubule nucleation

Definition noun The process or the event that initiates the formation of microtubules. Supplement Microtubule nucleation... Read More

Astral microtubule

Definition noun, plural: astral microtubules Any of the microtubules radiating from the pericentriolar region (or the... Read More

Centrosome

Centrosome Definition What is a centrosome? The centrosome is considered to be the main microtubule-organizing... Read More

Cytoskeleton

Definition noun plural: cytoskeletons cy·to·skel·e·ton (cell biology) The lattice or internal framework of a cell... Read More

Colcemid

Definition noun (cytogenetics) A methylated derivative of colchicine capable of depolymerizing microtubules and arresting... Read More

Mitotic spindle

Definition noun The collective term for all the spindle fibers that form during mitosis Supplement The spindle apparatus is... Read More

Nexin

Definition noun The protein in the interdoublet link that connects the adjacent microtubule doublets of the ciliary... Read More

Meiotic spindle

Definition noun The collective term for all the spindle fibers that form during meiosis Supplement The spindle apparatus is... Read More

Cell matrix

Definition noun plural: cell matrices cell ma·trix, ˈmeɪtɹɪks An insoluble, dynamic gel in the cytoplasm, believed... Read More

Mitosis

Mitosis Definition What is mitosis? In biology, mitosis refers to the cellular process where a single cell divides... Read More

Nucleation

nucleation (Science: molecular biology) A general term used in polymerisation or assembly reactions where the first steps... Read More

Subunit

Definition noun, plural: subunits (general) A subdivision or a distinct component of a larger unit Supplement The word... Read More

Dynein

Dynein (Science: protein) large multimeric protein (600-800 kD) with atpase activity, constitutes the side arms of the outer... Read More

Colchicine

Colchicine (Science: drug) alkaloid (400 D) isolated from the autumn crocus (colchicum autumnale) that blocks microtubule... Read More

Aster

Definition noun, plural: asters (cell biology) A star-shaped cluster of microtubules radiating from the pericentriolar... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More

Astrosphere

Definition noun, plural: astrospheres (cell biology) The spherical central mass of the aster. Supplement The astrosphere is... Read More

Endoplasmic reticulum

Definition noun plural: endoplasmic reticula (cell biology) A membrane-bound organelle that occurs as labyrinthine,... Read More

Axoneme

Axoneme (Science: cell biology) The central microtubule complex of eukaryotic cilia and flagella with the characteristic 9 -... Read More

Cytopharynx

Definition noun, plural: cytopharynxes or cytopharynges The tube-like passageway in certain protozoans through which the... Read More

Kinetochore

Definition noun, plural: kinetochores A protein complex that assembles at the centromeric region of the chromosome during... Read More

Guanosine triphosphate

Definition noun plural: guanosine triphosphates (biochemistry) An organic compound that is composed of guanosine (a... Read More

Intermediate filament

Definition noun plural: intermediate filaments A type of cytoskeleton characterized by having a diameter ranging from 8... Read More

Septin

Definition noun plural: septins sep·tin, sĕp′tĭn A protein involved in cytokinesis and also functions in maintaining... Read More

Endosome

Endosome Definition noun plural: endosomes en·do·some, ˈəndoˌsoʊm (cell biology) A membrane-bound cytoplasmic... Read More

Phagosome

Definition noun plural: phagosomes phag·o·some, ˈfæg əˌsoʊm (cell biology) A vesicle that forms by pinching off... Read More

Microfibril

Definition noun, plural: microfibrils (1) (cell biology) A microtubule or microfilament within the cell; an extremely small,... Read More

Prometaphase

Definition noun The phase of mitosis between prophase and metaphase wherein the nuclear envelope breaks down and form... Read More

Bicoid

Definition noun (1) A kind of maternal-effect gene (as in bicoid gene) whose function is to code for products used for... Read More

Metaphase plate

Definition noun The plane in the equatorial region of the spindle where chromosomes align during cell division (i.e. mitosis... Read More

Spermiogenesis

Spermiogenesis definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More

Centriole

Definition noun, plural: centrioles A self-replicating, small, fibrous, cylindrical-shaped organelle, typically located in... Read More

Capping

Capping 1. Movement of cross linked cell surface material to the posterior region of a moving cell or to the perinuclear... Read More

Lysosome

Lysosome Definition noun plural: lysosomes ly·so·some, ˈlaɪsəˌsoʊm (cell biology) Organelle containing a large... Read More

Spindle

Definition noun, plural: spindles (1) A collection of minute fibers composed of microtubules, which are prominent during... Read More

Ribosome

Definition noun plural: ribosomes ri·bo·some, ˈɹaɪbəˌsəʊm (cell biology) A minute, sphere-shaped particle... Read More

Demecolcine

Definition noun (cytogenetics) A cytotoxic alkaloid isolated from Colchicum autumnale, and is used as an antineoplast... Read More