1 The majority of thyroid nodules are benign. 2  Thyroid nodules are more likely to be cancerous at the extremes of age and in males. 3  The most malignant thyroid cancers are seen at the extremes of age.  Most thyroid cancers are found between ages 20 to 50.
In the U.S. Congress, the parliamentarians of the House and Senate serve as formal, nonpartisan advisers to the Speaker of the House and presiding officer of the Senate respectively.
By Susan Munroe. Definition: The Senate of Canada is the upper house of the Canadian Parliament, normally composed of 105 senators appointed by the Governor General on the advice of the Prime Minister.lthough the Canadian Senate is usually considered the chamber of sober, second thought, it has the same powers as the House of Commons except that it can not introduce legislation related to the raising or spending of money. See also: 1  Parliament of Canada-An Introduction. 2  Senate Reform in Canada.