Christmas disease
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Related to factor IX deficiency: haemophilia, Factor VIII deficiency, Factor xi deficiency, Factor xii deficiency, Hæmophilia
Christmas disease
n.
A type of hemophilia that is caused by a deficiency of factor IX.
[After Stephen Christmas, 20th-century British boy who was first diagnosed with it.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Christmas disease
n
(Pathology) a relatively mild type of haemophilia, caused by lack of a protein (Christmas factor) implicated in the process of blood clotting
[C20: named after S. Christmas, the first patient suffering from the disease who was examined in detail]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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| Noun | 1. | Christmas disease - a clotting disorder similar to hemophilia A but caused by a congenital deficiency of factor IX bleeder's disease, haemophilia, hemophilia - congenital tendency to uncontrolled bleeding; usually affects males and is transmitted from mother to son |
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