noun
Edwards syndrome; trisomy 18
Medical term for a chromosomal disorder caused by an extra copy of chromosome 18.
エドワーズ症候群は18番染色体のトリソミーによって起こります。
Edwards syndrome is caused by trisomy of chromosome 18.
Patau syndrome (trisomy 13), another trisomy disorder.
Named after John Hilton Edwards, who first described the syndrome in 1960. The Japanese term is a direct borrowing of the English name combined with 症候群 (syndrome).