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• n  a person employed to keep watch for some anticipated event

• But with the new test, called GeneSearch BLN Assay, doctors can accurately test the sentinel node for metastases during the initial surgery by measuring molecular markers of .
• Somewhere along the Macedonian frontier between Greece and Bulgaria someone shot or shot at a sentinel.
• Gilded statues of Dante, Sun Yat-sen and Salvador Dali stand sentinel at the entrance courtyard, while the tropical evening sky turns purple through soaring panes of glass.

• lookout
• lookout man
• sentry
• watch
• spotter
• scout
• picket

News & Articles

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• Sentinel Data Centers Announces tw telecom to Extend Fiber Network into Durham Facility
  DURHAM, N.C., June 12, 2013 /PRNewswire/ --   Sentinel Data Centers today announced that tw telecom (NASDAQ:  TWTC), a leading national provider of network services including Business Ethernet, converged ...
  June 12, 2013 - PR Newswire via Yahoo! Finance
• Orlando Sentinel: Orange County Schools superintendent up for LG
  Our friends at the Orlando Sentinel published a story last night that Gov. Rick Scott might tap Orange County Schools Superintendent Barbara Jenkins as the state's next lieutenant governor. Remember, Jennifer Carroll resigned in March after she was questioned in the investigation over Internet cafes. Here's an excerpt …
  June 12, 2013 - St. Petersburg Times Blogs
• Orlando Sentinel editorial board: Scott should block local sick time rules
  The Orlando Sentinel editorial board urged Gov. Rick Scott to sign a bill that would ban local efforts to mandate paid sick time for local workers, a move that could nullify a controversial 2014 referendum pending in Orange County.
  June 12, 2013 - Orlando Sentinel

Quotes

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• Richard Thompson in Reuters
  We are grateful for the judge's ruling today. He was truly the last sentinel to guard against unlawful command influence,said Richard Thompson, president and chief counsel of the Thomas More Law Center, which represented Chessani.
• Ernie Allen in Business Wire (press release)
  Providing assistance to law enforcement with their investigations is part of the National Center for Missing & Exploited Children's core mission,said Ernie Allen, NCMEC President and CEO. "MySpace's donation of its Sentinel Safe database...
• John Gibson in The Jewish Journal of greater L.A
  O'Reilly is being joined by a colleague on FOX News, John Gibson, the author of "The War on Christmas: How the Liberal Plot to Ban the Sacred Christian Holiday Is Worse Than You Thought (Sentinel). His book focuses on the instances of very secular...