Congenital MEGACOLON resulting from the absence of ganglion cells (aganglionosis) in a distal segment of the LARGE INTESTINE. The aganglionic segment is permanently contracted thus causing dilatation proximal to it. In most cases, the aganglionic segment is within the RECTUM and SIGMOID COLON
Hirshhorn, Joseph H. -- Art collections. : Sculpture in our century: selections from the Joseph H. Hirshhorn collection : [exhibition at] Dartmouth College, Hanover, New Hampshire, May 25 to July 9, 1967
The application of LEECHES to the body to draw blood for therapeutic purposes. Such medicinal leeching, an ancient medical practice, is still being used in microsurgery and the treatment of venous congestion or occlusion
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Hirudin Therapy : Biotherapy-- History, principles and practice : a practical guide to the diagnosis and treatment of disease using living organisms / Martin Grassberger [and others], editors
His bundle. : The conduction system of the mammalian heart : an anatomico-histological study of the atrioventricular bundle and the Purkinje fibers / S. Tawara ; foreword by L. Aschoff ; translated by Kozo Suma, Munehiro Shimada ; preface by R.H. Anderson