| Willis' pancreas | A portion of the head of the pancreas that hooks around posterior to the superior mesenteric vessels, sometimes into the "nutcracker" formed by the superior mesenteric artery and abdominal aorta. Synonym: processus uncinatus pancreatis, lesser pancreas, pancreas minus, small pancreas, uncinate pancreas, unciform pancreas, Willis' pancreas, Winslow's pancreas. (05 Mar 2000) |
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| Willis' paracusis | <otolaryngology> The apparent increase in auditory acuity of a deaf person to conversation in noisy surroundings due to his companion unconsciously raising his voice. Synonym: Willis' paracusis. (05 Mar 2000) |
| Willis' pouch | An obsolete term for lesser omentum (05 Mar 2000) |
| Willis, Thomas | <person> English physician, 1621-1675. See: Willis' centrum nervosum, Willis' cords, Willis' pancreas, Willis' paracusis, Willis' pouch, circle of Willis, accessorius willisii, chordae willisii. (05 Mar 2000) |
| Williston's law | As the vertebrate scale is ascended, the number of bones in the skull is reduced. (05 Mar 2000) |
| Williston, Samuel Wendell | <person> U.S. Paleontologist, 1852-1918. See: Williston's law. (05 Mar 2000) |