countertransport
The transport of two chemical species across a membrane in opposite directions.

Increased Na+/Li+ countertransport activity has been described in a study of parents of proteinuric type 1 diabetic patients, although not in another.


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  • countertransport — n. * * * …   Universalium

  • countertransport — The transport of one substance across a membrane, coupled with the simultaneous transport of another substance across the same membrane in the opposite direction. * * * coun·ter·trans·port (koun″tər transґport) the simultaneous… …   Medical dictionary

  • countertransport — n …   Useful english dictionary

  • sodium-lithium countertransport — a transport pathway by which sodium ions enter erythrocytes and lithium ions leave in order to maintain sodium balance in the cells and in the plasma …   Medical dictionary

  • Glucose transporter — Glucose Glucose transporters are a wide group of membrane proteins that facilitate the transport of glucose over a plasma membrane. Because glucose is a vital source of energy for all life these transporters are present in all phyla. The GLUT or… …   Wikipedia

  • Sodium-calcium exchanger — solute carrier family 8 (sodium/calcium exchanger), member 1 Identifiers Symbol SLC8A1 Alt. symbols NCX1 Entrez 6546 …   Wikipedia

  • P-type ATPase — Calcium ATPase, E2 Pi state Identifiers Symbol E1 E2 ATPase Pfam …   Wikipedia

  • transport — transportable, adj. transportability, n. transportive, adj. v. /trans pawrt , pohrt /; n. /trans pawrt, pohrt/, v.t. 1. to carry, move, or convey from one place to another. 2. to carry away by strong emotion; enrapture. 3. to send into banishment …   Universalium

  • cotransport — The transport of one substance across a membrane, coupled with the simultaneous transport of another substance across the same membrane in the same direction. * * * co·trans·port (ko transґport) linking of the transport of two substances across a …   Medical dictionary

  • secondary active transport — active transport in which the movement of a second substance is coupled to the movement of a substance undergoing primary active transport, as in cotransport and countertransport …   Medical dictionary

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