单词 | hoffmann reflex |
释义 | > as lemmasHoffmann('s) reflex 3. Used attributively and in the possessive to designate various signs, etc., discovered or described by Johann Hoffmann, as Hoffmann('s) atrophy = Werdnig–Hoffmann n. ('s) atrophy; Hoffmann('s) sign: (a) increased sensitivity of the sensory nerves to mechanical stimulation; also called Hoffmann('s) phenomenon, Hoffmann('s) symptom; (b) a type of reflex action of the fingers; also called digital reflex, Hoffmann('s) reflex; also elliptical. ΘΚΠ the world > life > biology > biological processes > action of nervous system > [noun] > reflex action > type of ankle jerk1882 spinal reflex1898 research knee-jerk1899 Hoffmann('s) reflex1900 unconditioned reflex1906 startle reflex1917 startle response1933 the world > health and disease > ill health > a disease > disorders of internal organs > disordered sensation > [noun] > irritability irritation1686 irritability1769 irritableness1805 worry1897 Hoffmann('s) symptom1900 hyperirritability1913 1900 W. A. N. Dorland Amer. Illustr. Med. Dict. 600/2 Hoffmann's s[ign], increased mechanic irritability of the sensory nerves in tetany. 1908 A. Gordon Dis. Nerv. Syst. xxi. 399 Hoffmann's Sign.—Pressure upon sensory nerve produces marked pain. 1908 A. Church Dis. Nerv. Syst. 916 (heading) Mechanical Hyperirritability (Chvostek's phenomenon, Hoffmann's phenomenon). 1910 W. Osler & T. McCrae Syst. Med. VII. 73 The sensory nerves may also be hypersensitive, and tapping at Valleix's points then calls forth abnormally intense sensations (Hoffmann's symptom). 1916 Jrnl. Nerv. & Mental Dis. 44 51 During a period spent at the Neurological Institute of New York, I was told of a reflex of the fingers which was designated by the term ‘Hoffmann's Sign’. 1933 Jrnl. Nerv. & Mental Dis. 77 598 Of the 26 patients with the post-encephalitic Parkinson syndrome, the Hoffmann reflex was positive in 6 and the Babinski positive in 4. 1939 W. Haymaker tr. R. Bing Textbk. Nerv. Dis. iv. 150 Increased galvanic irritability of sensory nerves, occurring at times in patients with tetany, is known as Hoffmann's phenomenon. 1950 R. N. DeJong Neurol. Exam. xxxvi. 593 The Hoffmann is a positive sign of definite significance, even though it may occur on occasion in the absence of organic disease. < as lemmas |
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