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2010-06-14 13:06:09

Usher syndrome (USH), an inherited condition involving both hearing and vision loss, is not a simply recessively inherited disease.


Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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