trisomy 18
noun
: a congenital condition that is characterized especially by intellectual disability and by craniofacial, cardiac, gastrointestinal, and genitourinary abnormalities, is caused by trisomy of the human chromosome numbered 18, and is typically fatal especially within the first year of life
called also Edwards syndrome
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“Trisomy 18.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/trisomy%2018. Accessed 29 Nov. 2024.
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