Round 200: Tossup 3

In one condition, pseudo-septations arising from the walls of this unpaired organ fold onto themselves to form a “honeycomb” interior. Another disease affecting this organ can be detected by “effervescent” foci resembling champagne bubbles on an ultrasound. Presentation of “pearl necklace” signs on an MRCP scan indicates the formation of benign outpouchings on this organ’s walls. Rokitansky-Aschoff sinuses can manifest in this organ during adeno·myo·matosis. Calcification of this organ causes it to exhibit a bluish (*) “porcelain” appearance. A positive Murphy’s sign suggests disease of this organ, which may be caused by the buildup of a cholesterol-rich “sludge” in its fundus. This (10[1])organ is inflamed during chole·cystitis. For 10 points, what pear-shaped organ is responsible (10[1])for concentrating and storing bile? ■END■

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