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/ac·tive/ (ak´tiv) characterized by action; not passive; not expectant.


adjective A term of art defined by users in different fields:
Referring to the presence of neutrophils in gastric biopsies. Active is loosely equivalent to “acute” and often indicates infection by Helicobacter pylori.

Not passive; not expectant, as in active disease, which contrasts to quiescent disease.


A term of art defined by users in different fields. In gastroenterology, active refers to presence of neutrophils in gastric biopsies. Active is loosely equivalent to “acute” and often indicates infection by Helicobacter pylori.


adjective Not passive, not expectant


A brand name for testing strips for blood glucose in the range 0.6 to 33.3 mmol per litre.


adj in orthodontics, pertaining to the condition of an orthodontic appliance that has been adjusted to apply effective force to the teeth or jaws.
active reciprocation,


not passive.

active principle
the drugs or chemicals in a pharmaceutical preparation that exert an effect pharmacologically; as distinct from the inert fillers, wetting agents and other excipients also often included.
active site
that region of a protein, usually an enzyme, that binds to another molecule such as the substrate of the enzyme.
active transport
the movement of ions or molecules assisted by a carrier protein across the cell membranes and epithelial layers, usually against a concentration gradient, resulting directly from the expenditure of metabolic energy. For example, under normal circumstances more potassium ions are present within the cell and more sodium ions extracellularly. The process of maintaining these normal differences in electrolytic composition between the intracellular fluids is active transport. The process differs from simple diffusion or osmosis in that it requires the expenditure of metabolic energy.

Patient discussion about active

Q. Are there any nice activities for adults with autism? I've been helping a very nice man of 45 of years old and I'm looking for some new things I can do with him in our time together. any ideas?

A. Autistic people react wonderfully with animals. for instance- i saw a group of severe Autistic teenagers going to swim with dolphins. the effect was amazing! taking him to the zoo, or even to the park to feed ducks, pet dogs, whatever.. could have a great effect on him.
hope i helped!
tell me how it went.

Q. what is a passive smoking? and is it dangerous as an active?

A. Passive smoking is the exposure to cigarettes smoke emitted from cigarettes smoke by other person. It's dangerous and may increase the risk to several diseases similar to active smoking (one's exposure to smoke emitted from the cigarettes he or she is smoking) although the risk is of lower magnitude. Example for passive smoking is children of smokers etc.

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Q. i swim a lot ! what are the advantages of swimming over other sport activities? on what part of the body does it work the most ?

A. its a good workout but your not really going to burn as much calories as a regular work out.

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References in periodicals archive ?
The final regulations describe specific disclosures for actively traded and nonactively traded interests; the proposed regulations addressed only nonactively traded interests.
The most actively traded stock was stock debutante Century Pacific (CNPF), which bucked the sluggish market by rising 10.
The ISE 100 Index is a higher-volatility indicator that tracks the performance of ISE's top 100 most actively traded equity options classes.
Select Sector SPDR shares are actively traded on the American Stock Exchange throughout the trading day providing the attributes of a mutual fund, the focus of a sector fund, and the tradability of a stock.
We are particularly pleased that this inclusion comes only three month after having joined the SBF 120 of the most actively traded stocks on the French stock market".
Namely, the case is large and complex, the stock is widely held and actively traded, the interests of shareholders are not otherwise adequately represented, the Company is not hopelessly insolvent, such that the shareholders appear to have a real economic interest at stake, and the timing of the request is appropriate.
9 times heavier than average, with the most actively traded contract being the January 35 strike (QLC MG).
38% of the SBF 120 index, which comprises the 120 most actively traded stocks on the French stock market.