Porter's sign Por·ter's sign (pôr'tərz)
n.
An indication of aneurysm of the aortic arch marked by pulsation of the trachea when the cricoid cartilage of the larynx is drawn upward with the thumb and forefinger while the individual sits with the head thrown back and mouth closed.
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
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