This time we are looking on the crossword clue for: On the dot.
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Possible Answers: SHARP, EXACT, PUNCTUAL.
Last seen on: –The Washington Post Crossword – Oct 10 2020
–LA Times Crossword 10 Oct 20, Saturday
–Newsday.com Crossword – May 31 2020
–Newsday.com Crossword – Jun 16 2019
Random information on the term “SHARP”:
A hypodermic needle (from Greek ὑπο- (under-), and δέρμα (skin)), one of a category of medical tools which enter the skin, called sharps, is a very thin, hollow tube with a sharp tip which contains a small opening at the pointed end. It is commonly used with a syringe, a hand-operated device with a plunger, to inject substances into the body (e.g., saline solution, solutions containing various drugs or liquid medicines) or extract fluids from the body (e.g., blood). They are used to take liquid samples from the body, for example taking blood from a vein in venipuncture. Large bore hypodermic intervention is especially useful in catastrophic blood loss or treating shock.
A hypodermic needle is used for rapid delivery of liquids, or when the injected substance cannot be ingested, either because it would not be absorbed (as with insulin), or because it would harm the liver. There are many possible routes for an injection, with the arm being a common location.
The hypodermic needle also serves an important role in research environments where sterile conditions are required. The hypodermic needle significantly reduces contamination during inoculation of a sterile substrate. The hypodermic needle reduces contamination for two reasons: First, its surface is extremely smooth, which prevents airborne pathogens from becoming trapped between irregularities on the needle’s surface, which would subsequently be transferred into the media (e.g. agar) as contaminants; second, the needle’s surface is extremely sharp, which significantly reduces the diameter of the hole remaining after puncturing the membrane, which consequently prevents microbes larger than this hole from contaminating the substrate.