arachnodactyly

uncountable

(teratology) a condition in which the fingers and hands are abnormally long and slender

Japanese Meaning

指や手が異常に細長い状態（医学用語で蜘蛛指症とも呼ばれる）

The geneticist explained that the patient's arachnodactyly was a hallmark of the connective tissue disorder.

遺伝学者は、患者の指や手が異常に長く細い状態（長指症）が結合組織疾患の特徴であると説明した。

Sense（1）

(teratology) a condition in which the fingers and hands are abnormally long and slender