单词 | head drop |
释义 | > as lemmashead drop head drop n. [after Japanese kubisagari ( < kubi neck, head + sagari, nominalized stem of sagaru to go down, drop)] Medicine †(a) a disorder (not identified) characterized by drooping of the head, occurring in parts of Japan, esp. north-eastern Honshu and eastern Shikoku (obsolete); (b) (more generally) drooping of the head towards the chest, esp. as a result of dysfunction of the neck muscles; an instance of this. ΚΠ 1887 K. Nakano in Sei-i-Kwai Med. Jrnl. 6 206 Head-drop is the name by which the disease is called among the native people and its history is not known. 1890 J. S. Billings National Med. Dict. I. 624/1 Head-drop, name of a form of disease endemic in certain valleys in Japan, and characterized by..a feeling of weight of the head. 1894 Brit. Med. Jrnl. 4 Aug. 17/2 Marked fibrillary contraction in the wasting muscles... No head drop. 1949 H. W. C. Vines Green's Man. Pathol. (ed. 17) x. 216 Diphtheria toxin..also contains a neurotoxin which causes degeneration of nerve fibres resulting in peripheral neuritis and paralyses of muscles, especially..muscles of the neck, causing head-drop. 2005 Adv. Neurol. 95 85/1 In some children [with myoclonic epilepsy], there is an atonic component associated with a head drop. < as lemmas |
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