- chin reflex
- jaw r.
Medical dictionary. 2011.
chin reflex
Look at other dictionaries:
palm-chin reflex — palmomental reflex twitching of the chin produced by stimulating (scratching) the palm; called also Marinesco Radovici r. and Radovici sign … 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
Jaw jerk reflex — The jaw jerk reflex or the masseter reflex is a stretch reflex used to test the status of a patient s trigeminal nerve (CN V).[1] The mandible or lower jaw is tapped at a downward angle just below the lips at the chin while the mouth is held… … Wikipedia
Palmomental reflex — The palmomental reflex (PMR) is an example of a primitive reflex. As such it is present in infancy, disappears during maturation of the brain during childhood but may reappear due to processes that disrupt the normal cortical inhibitory… … Wikipedia
jaw reflex — jaw jerk reflex closure of the mouth caused by a downward blow on the lower jaw while it hangs passively open; this is most obvious with lesions of the corticospinal tract and is seen less often in healthy individuals. Called also jaw jerk, chin… … Medical dictionary
jaw-jerk reflex — an abnormal reflex elicited by lightly placing the index finger across the chin of the patient and tapping it with a tendon hammer while the jaw hangs loosely open. A brisk upward movement of the jaw indicates an upper motor neurone disorder… … The new mediacal dictionary
corneomental reflex — wrinkling of the muscles on one side of the chin when pressure is applied to the cornea … Medical dictionary
Marinesco-Radovici reflex — palm chin r … Medical dictionary
pollicomental reflex — palm chin r … Medical dictionary
Radovici sign — Ra·do·vi·ci sign (rah do veґche) [Andrй Radovici, French physician, 20th century] see palm chin reflex, under reflex … Medical dictionary
