CLEARANCE

Clearance

In medicine, the clearance is a pharmacokinetic measurement of the renal excretion ability. Although clearance may also involve other organs than the kidney, it is almost synonymous with renal clearance or renal plasma clearance. Each substance has a specific clearance that depends on its filtration characteristics. Clearance is a function of glomerular filtration, secretion from the peritubular capillaries to the nephron, and reabsorption from the nephron back to the peritubular capillaries. Clearance is constant in first-order kinetics because a constant fraction of the drug is eliminated per unit time, but it is variable in ...

The above text is a snippet from Wikipedia: Clearance (medicine)
and as such is available under the Creative Commons Attribution/Share-Alike License.

clearance

Noun

  1. The act of clearing or something (such as a space) cleared
  2. The distance between two moving objects, especially between parts of a machine
  3. The height or width of a tunnel, bridge or other passage, or the distance between a vehicle and the walls or roof of such passage; a gap, headroom.
  4. A permission for a vehicle to proceed, or for a person to travel.
    The plane got clearance from air traffic control, and we were off.
    He got clearance to travel to America, even though he had previous links to terrorists
  5. A permission to have access to sensitive or secret documents or other information
  6. A sale of merchandise at a reduced price.
  7. The settlement of transactions involving securities or means of payment such as checks by means of a clearing house.
  8. The removal of harmful substances from the blood; renal clearance.
  9. The act of potting all the remaining balls on a table at one visit.
  10. The act of kicking a ball away from the goal one is defending.
  11. Removal of pieces from a rank, file or diagonal so that a bishop, rook or queen is free to move along it.
  12. Clear or net profit.


The above text is a snippet from Wiktionary: clearance
and as such is available under the Creative Commons Attribution/Share-Alike License.

Need help with a clue?
Try your search in the crossword dictionary!