myxoma
noun
myx·o·ma mik-ˈsō-mə 
plural myxomas also myxomata mik-ˈsō-mə-tə
: a soft tumor made up of gelatinous connective tissue like that of the umbilical cord
myxomatous
mik-ˈsō-mə-təs
adjective 
Example Sentences
Recent Examples on the Web The myxoma-like virus detected in these hares had gained approximately 2,800 new base pairs, compared to a South American rabbitpox strain. 
William A. Haseltine, Forbes, 21 June 2022 Subsequent findings from this experiment confirmed that the replication of the myxoma-like virus within hare cells depended on the expression of M159 proteins. William A. Haseltine, Forbes, 6 June 2022 For example, within a seven-year period, a myxoma strain that once had a 90% fatality rate in rabbits living in Lake Urana only killed 26% of rabbits in the same area. William A. Haseltine, Forbes, 1 June 2022 The myxoma virus was introduced to Ireland that same summer. Paul Muldoon, The New Yorker, 4 Oct. 2021 Grant McFadden has spent over two decades studying the myxoma virus. Amanda Morris, azcentral, 10 May 2020 An atrial myxoma is a rare non-cancerous tumor that grows on the heart and, if caught, can be easily removed. Jenny Mollen, Marie Claire, 17 July 2017 An atrial myxoma is a rare non-cancerous tumor that grows on the heart and, if caught, can be easily removed. Jenny Mollen, Marie Claire, 17 July 2017 Melyssa had a myxoma, a benign but extremely aggressive tumor. Caroline Picard, Good Housekeeping, 25 Jan. 2017 See More
William A. Haseltine, Forbes, 21 June 2022 Subsequent findings from this experiment confirmed that the replication of the myxoma-like virus within hare cells depended on the expression of M159 proteins. William A. Haseltine, Forbes, 6 June 2022 For example, within a seven-year period, a myxoma strain that once had a 90% fatality rate in rabbits living in Lake Urana only killed 26% of rabbits in the same area. William A. Haseltine, Forbes, 1 June 2022 The myxoma virus was introduced to Ireland that same summer. Paul Muldoon, The New Yorker, 4 Oct. 2021 Grant McFadden has spent over two decades studying the myxoma virus. Amanda Morris, azcentral, 10 May 2020 An atrial myxoma is a rare non-cancerous tumor that grows on the heart and, if caught, can be easily removed. Jenny Mollen, Marie Claire, 17 July 2017 An atrial myxoma is a rare non-cancerous tumor that grows on the heart and, if caught, can be easily removed. Jenny Mollen, Marie Claire, 17 July 2017 Melyssa had a myxoma, a benign but extremely aggressive tumor. Caroline Picard, Good Housekeeping, 25 Jan. 2017 See More Word History
Etymology
borrowed from New Latin, from Greek mýxa "nasal discharge, slime" + New Latin -oma -oma — more at myxo-
Note: Term introduced by Rudolf virchow in "Ein Fall von bösartigen, zum Theil in der Form des Neuroms auftretenden Fettgeschwülsten," Archiv für pathologische Anatomie und Physiologie und für klinische Medicin, Band 11 (1857), p. 287: "… im Anfange der Bildung konnte man sie als Schleimgeschwulst (Tumor mucosus, Myxoma) bezeichen." ("… in the early stages of formation one could designate it as a mucous tumor (tumor mucosus, myxoma).") Later in the same paper he uses the vernacular form Myxom.
First Known Use
1870, in the meaning defined above
Medical Definition
myxoma
noun
myx·o·ma mik-ˈsō-mə
plural myxomas also myxomata -mət-ə
: a soft tumor made up of gelatinous connective tissue resembling that found in the umbilical cord