noun
thrombasthenia
Medical term for a rare inherited platelet disorder causing impaired clot formation.
血小板無力症は、血小板の凝集異常を特徴とする遺伝性疾患です。
Thrombasthenia is a hereditary disorder characterized by abnormal platelet aggregation.
Compound of 血小板 (platelet) + 無力症 (asthenia, weakness), a direct medical calque of 'thrombasthenia'.