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Sentinel

sentinel

1. One who watches or guards; specifically, a soldier set to guard an army, camp, or other place, from surprise, to observe the approach of danger, and give notice of it; a sentry. The sentinels who paced the ramparts. (Macaulay)

2. Watch; guard. That princes do keep due sentinel.

3. (Science: zoology) A marine crab (Podophthalmus vigil) native of the indian ocean, remarkable for the great length of its eyestalks.

Synonym: sentinel crab.

Origin: F. Sentinelle (cf. It. Sentinella); probably originally, a litle path, the sentinel's beat, and a dim. Of a word meaning, path; cf. F. Sente path. L. Semita; and OF. Sentine, sentele, senteret, diminutive words. Cf. Sentry.


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HELP!!!!! Microarrays, molecular cloning

You have been hired to develop a system of Bio-sentinel flowers (this is an actual funded project via homeland security). The idea is that when the plant is exposed to a specific biohazadous compound it will produce red flowers (they normally produce ...

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by dotti321
Sun May 04, 2008 3:06 am
 
Forum: Genetics
Topic: HELP!!!!! Microarrays, molecular cloning
Replies: 2
Views: 979

The Fiber Disease

... water. The signal is received by equipment that indicates and/or records the data. In a stationary embodiment of the invention, the biosensor is a sentinel, as shown schematically in FIG. 5 in a typical water supply. A stream 50 is shown cross-sectionally in FIG. 5 as a water source. The water ...

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by London
Wed Aug 16, 2006 4:40 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 749055

The Fiber Disease

... organizations have a large number of worldwide networks set up to monitor infectious diseases: http://www.cdc.gov/ncidod/osr/site/sentinel/surv-sys.htm The CDC is in the business of eradicating these things. - John

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by John Kern
Fri Apr 14, 2006 4:23 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 749055

hear the spring peepers-endangered

... humans. Something that affects the development of frogs could quite easily end up affecting ours as well. Frogs are seen as an indicator, or sentinel species, as they respond to environmental and pathological conditions similarly to how humans would. Since they are smaller, smaller doses ...

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by AstusAleator
Mon Mar 06, 2006 8:40 pm
 
Forum: Ecology
Topic: hear the spring peepers-endangered
Replies: 44
Views: 8256


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