Transfer cell

Transfer cell

Transfer cells are specialized companion cells that have an increased surface area, due to infoldings of the plasma membrane. They facilitate the transport of sugars from a sugar source, mainly leafs, to a sugar sink, often developing fruits.


Wikimedia Foundation. 2010.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • transfer cell — transfer cell, a specialized plant cell which exchanges dissolved substances with its surroundings and transfers them across the plant membranes …   Useful english dictionary

  • transfer cell — Parenchyma cell specialized for transfer of water soluble material to or from a neighbouring cell, usually a phloem sieve tube or a xylem tracheid. Elaborate wall ingrowths greatly increase the area of plasma membrane at the cell face across… …   Dictionary of molecular biology

  • Cell (microprocessor) — Cell is a microprocessor architecture jointly developed by Sony Computer Entertainment, Toshiba, and IBM, an alliance known as STI . The architectural design and first implementation were carried out at the STI Design Center in Austin, Texas over …   Wikipedia

  • Transfer gene — Transfer operon, commonly called tra operon, or tra genes, are some of the genes necessary for non sexual transfer of genetic material in both gram positive and gram negative bacteria. The tra locus includes the pilin gene and regulatory genes,… …   Wikipedia

  • Cell culture — in a Petri dish Epithelial cells in culture, stained for keratin (red) an …   Wikipedia

  • Cell transfer therapy — is a relatively new technique aimed at eliminating cancer cells by the administration of autologous lymphocytes to cancer patients. This follows recent knowledge that cancer cells may express certain unique tumor antigens.TechniqueThe first step… …   Wikipedia

  • transfer factor — n a substance that is produced and secreted by a lymphocyte functioning in cell mediated immunity and that upon incorporation into a lymphocyte which has not been sensitized confers on it the same immunological specificity as the sensitized cell… …   Medical dictionary

  • Cell architecture — Cell architectureConstituent elements*PPE *SPE *EIB *XDR *FLEX I/OPatents It is well known that IBM holds one of the world s largest patent portfolios. The United States Patent and Trademark Office proclaimed in 2004, For the twelfth consecutive… …   Wikipedia

  • Transfer factor — Transfer factors are immune messenger molecules found in all higher animals. They are found in white blood cells, colostrum, and eggs. They are often given credit for the perpetuation of species by transferring immunity against many pathogens… …   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

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”