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Definition

Petit, François Pourfour du

(pĕt-ē' )

French anatomist and surgeon, 1664–1741.

P.'s canal A space or cleft encircling the lens between the points of attachment of fibers of suspensory ligament. SYN: zonular spaces.

P.'s sinuses Hollows in the aortic and pulmonary arteries behind the semilunar valves.