Kim Oelhafen

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A single pathophysiological mechanism of Chiari Type I malformations (CM-I) has been a topic of debate. To help better understand CM-I, the authors review disorders known to be associated with CM-I. The primary methodology found among most of them is deformation of the posterior cranial fossa, usually with subsequent decrease in volume. Other mechanisms(More)
The circadian rhythm in Neurospora crassa is exhibited as alternating areas of conidiating and non-conidiating mycelia growth. A significant role in this circadian rhythm is played by the frq (frequency) and wc (white-collar) genes, comprising the "FWC" oscillator. Strains lacking the FWC can be restored to rhythmicity, which has been attributed to a second(More)
Bernhard von Langenbeck is undeniably one of the world's greatest surgeons and inventors. The influence which he exerted upon the practice of surgery, as apparent by the numerous surgical tools and 21 operations credited to his name, represents the notable contributions of this amazing man. Despite the tools and techniques which bear his name, the(More)
In Neurospora crassa, a circadian rhythm of conidiation (asexual spore formation) can be seen on the surface of agar media. This rhythm has a period of 22 hr in constant darkness (D/D). Under constant illumination (L/L), no rhythm is visible and cultures show constant conidiation. However, here we report that strains with a mutation in the vivid (vvd) gene,(More)
Abraham Colles is known among the medical community for his detailed description of Colles' fracture, one of the most common occurring skeletal injuries. It is remarkable that something as seemingly simple as the diagnosis of Colles' fracture had not been established until nearly 200 years ago. While that may have been his most well known accomplishment,(More)
The complexity of embryological development of the gastrointestinal tract and mesentery provides a platform for the formation of a wide variety of variant veils, folds, and membranes, collectively termed peritoneal bands. These structures, which represent anatomically unabsorbed portions of the omentum and mesentery, although often benign, have the(More)
Benjamin Alcock (1801-?) was a prominent anatomist from Ireland who is remembered most for his description of the pudendal canal. He was privileged to train under the great Irish anatomist, Abraham Colles. Following his training and several early teaching engagements, he was appointed as the first Professor of Anatomy and Physiology at Queen's College,(More)
Historically benign liver tumors were encountered incidentally during laparotomy or more re‐ cently during laparoscopy at which time definitive histological diagnosis can be established. However, with the utilization of advanced imaging modalities hepatic neoplasms have been in‐ creasingly identified, with a prevalence rate of up to 50% reported among the(More)
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