polydactylyとは 意味・読み方・使い方

語源

From Ancient Greek πολυδάκτυλος (poludáktulos) +‎ -y, from πολυ- (polu-, “many”) +‎ δάκτυλος (dáktulos, “digits”), equivalent to poly- +‎ dactyly or polydactyl +‎ -y.

発音

• (Received Pronunciation) IPA: /ˌpɒl.ɪˈdak.tɪl.i/
• (General American) IPA: /ˌpɑl.iˈdæk.təl.i/
• ハイフネーション: pol‧y‧dac‧tyl‧y

名詞

polydactyly (countable and uncountable, plural polydactylies)

1. (medicine, teratology) A congenital condition in which a person or animal has more than the usual number of digits (fingers or toes) on at least one of the hands or feet.
   • 2003, Karl-Heinz Grzeschik, 66: Greig Cephalopolysyndactyly Syndrome, Mary Ann McLaughlin (supervising editor), NORD Guide to Rare Disorders, National Organization for Rare Disorders, Wolters Kluwer (Lippincott Williams & Wilkins), page 201,

     Postaxial polydactyly is common in the hands and preaxial polydactyly in the feet.

   • 2008, “Most Fingers and Toes — Living Person”, in Guinness World Records‎, Human Body — Extreme Bodies:

     Pranamya Menaria (India; born August 10, 2005) has 25 in total (12 fingers and 13 toes). This is as a result of the condition Polydactyly and Syndactyly.

   • 2021, Leah W. Burke, “3: Genetics of Associated Syndromes”, in Donald R. Laub Jr., editor, Congenital Anomalies of the Upper Extremity, Springer, page 42:

     The rare polydactylies, that is, not clearly only postaxial or only preaxial, are the most likely to be associated with an underlying syndrome.

   • 2023, Christianne van Nieuwenhoven, Steven Hovius, “9: Thumb Polydactyly”, in Giorgio Pajardi, editor, Pediatric Hand Surgery, Springer, page 102:

     Polydactyly with a triphalangeal thumb will be described in the chapter on the triphalangeal thumb. […] The incidence of polydactyly depends on the population studied and the definition used. Region, ethnicity and combined numbers of all polydactylies, or only radial or ulnar-sided polydactyly, provide very different incidences in published series.

同意語

• hyperdactyly
• polydactylism

下位語

• hexadactyly

派生語

関連する語

参考