- contractile cell
- noun
: one of the wall cells whose hygroscopic contraction causes the rupture of a sporangium or anther — see dehiscence a (1)
Useful english dictionary. 2012.
contractile cell
Look at other dictionaries:
Cell migration — is a central process in the development and maintenance of multicellular organisms. Tissue formation during embryonic development, wound healing and immune responses all require the orchestrated movement of cells in a particular direction to a… … Wikipedia
contractile vacuole — n a vacuole in a unicellular organism that contracts regularly to discharge fluid from the body * * * an osmoregulatory organelle of protozoa and sponges that alternately fills with water extracted from the adjacent cytoplasm and then ejects the… … Medical dictionary
contractile vacuole — Cell Biol. 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… … Universalium
Contractile vacuole — Protist Paramecium aurelia with contractile vacuoles A contractile vacuole (abbreviation: CV) is a sub cellular structure (organelle) involved in osmoregulation. It is found predominantly in protists and in unicellular algae. It was previously… … Wikipedia
cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… … Universalium
Cell — The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body there are 100 trillion cells in each of us contains the entire… … Medical dictionary
Contractile vacuole — Vacuole Vac u*ole, n. [L. vacuus empty: cf. F. vacuole.] (Biol.) A small air cell, or globular space, in the interior of organic cells, either containing air, or a pellucid watery liquid, or some special chemical secretions of the cell protoplasm … The Collaborative International Dictionary of English
Cell (biology) — Allium cells in different phases of the cell cycle … Wikipedia
contractile vacuole — (vak u ōl) In protists and some animals, a clear fluid filled cell vacuole that takes up water from within the cell and then contracts, releasing it to the outside through a pore in a cyclical manner. Contractile vacuoles function primarily in… … Dictionary of microbiology
contractile ring — a narrow band of actin filaments and myosin II, encircling the equator of a dividing cell, that pinches in to separate the daughter cells from one another. Called also constriction r … Medical dictionary
