Hoffmann phenomenon sign (reflex)

Hoffmann phenomenon sign (reflex)
Hoff·mann phenomenon, sign (reflex) (hawfґmahn) [Johann Hoffmann, German neurologist, 1857–1919] see under phenomenon and sign.

Medical dictionary. 2011.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

  • Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… …   Medical dictionary

  • Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… …   Medical dictionary

  • phenomenon — 1. A symptom; an occurrence of any sort, whether ordinary or extraordinary, in relation to a disease. 2. Any unusual fact or occurrence. [G. phainomenon, fr. phaino, to cause to appear] adhesion p. a p. manifested by the adherence of antigen… …   Medical dictionary

  • Hoffmann sign — 1. see under phenomenon. 2. in hemiplegia, a sudden nipping of the nail of the index, middle, or ring finger will produce flexion of the terminal phalanx of the thumb and of the second and third phalanges of some other finger; called also digital …   Medical dictionary

  • Chaddock reflex — is a diagnostic reflex similar to the Babinski reflex. It is designed to identify lesions of the pyramidal tract, via stimulation of the skin over the lateral malleolus. It was identified by Charles Gilbert Chaddock in 1911.[1] References ^ Goetz …   Wikipedia

  • Tinel sign — Classification and external resources Transverse section across the wrist and digits. (The median nerve is the yellow dot near the center. The carpal tunnel is not labeled, but the circular structure surrounding the median nerve is visible.) IC …   Wikipedia

  • Oppenheim's sign — is dorsiflexion of the big toe elicited by irritation downward of the medial side of the tibia[1] Positive sign indicates a damage to the pyramidal tract. It is named for Hermann Oppenheim.[2][3] References …   Wikipedia

  • reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… …   Medical dictionary

  • Dawson's fingers — appearing on an MRI scan Dawson s Fingers is the name for the multiple sclerosis lesions around the ventricle based brain veins[1][2] of Multiple Sclerosis patients. The condition is supposed to be the result of in …   Wikipedia

  • Charcot's neurologic triad — is the combination of nystagmus, intention tremor, and scanning or staccato speech. This triad is associated with multiple sclerosis, where it was first described;[1] however, it is not considered pathognomonic for it. It is named for Jean Martin …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”