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
Dictionary Entries Near trisomy 18
Cite this Entry
“Trisomy 18.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/trisomy%2018. Accessed 24 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share