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Melissa George

Sadie Harris is a recurring fictional character from the American television medical drama Grey's Anatomy, played by actress Melissa George (pictured). Introduced in November 2008 as a surgical intern who has an old companionship with the series' protagonist Meredith Grey (Ellen Pompeo), Harris eventually forms a friendship with Lexie Grey (Chyler Leigh), and departs after it is revealed she cheated her way into the surgical program. George's original contract included appearances in eight to eleven episodes of season five, with the possibility of becoming a series regular. Harris was originally planned to be a romantic foil for Erica Hahn (Brooke Smith) and Callie Torres (Sara Ramirez), but the role was retooled after the former left. After some speculation about the character's future, it was confirmed that she would not be joining the series; the final episode to include Harris was broadcast in February 2009. In response to assertions that Harris left to "de-gay" Grey's Anatomy, George explained that it was her own decision to leave. The character received mixed feedback from critics, and has been characterized as "naughty", "mischievous", and "nutty". (Full article...)

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Pectinidae

Anatomical diagram of a giant scallop, a species in the family Pectinidae. Colors are close to those in an actual animal, though shown with greater than natural contrast for emphasis. Not shown are the left gill, the veins on the left side of the body, and the left shell or "valve". The hinge line corresponds to the animal's dorsal side, though when living it usually rests "sideways", on its right. The giant scallop is equilateral and very nearly equivalved (having left and right valves close to the same size and shape), though this is not true of all, or even most, members of its family.

The scallop's nervous system is centered around the visceral ganglia, which constitute a kind of molluscan "brain". The head-to-tail longitudinal axis reaches from the anterior ear to the middle of the adductor muscle, making only a very small portion of the animal morphologically the "front" and the rest corresponding to its "back". The final loop of the intestine goes directly through the ventricle of the heart before it reaches its u-shaped terminus.

Diagram: K.D. Schroeder

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