| trisomy |
Possessing three copies of a particular chromosome instead of the normal two copies.
Ãâó: science.education.nih.gov/supplements/nih1/genetic...
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| trismus |
A firm closing of the jaw due to tonic spasm of the muscles of mastication from disease of the motor branch of the trigeminal nerve. It is usually associated with general tetanus. Also called lockjaw. [Heritage]
Ãâó: www.antiquusmorbus.com/English/EnglishT.htm
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| trisomy |
Having three homologous chromosomes instead of the usual pair within a cell nucleus (eg, trisomy 21).
Ãâó: aspin.asu.edu/geneinfo/glos-t.htm
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| trisomy 13 |
Caused by an extra copy of chromosome 13, which results in multiple internal and external physical defects and severe mental retardation.
Ãâó: aspin.asu.edu/geneinfo/glos-t.htm
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| trisomy 18 |
A congenital disease caused by an extra copy of chromosome 18. Infants with trisomy 18 rarely survive past six months of age due to multiple internal and external physical defects.
Ãâó: aspin.asu.edu/geneinfo/glos-t.htm
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