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Abadie's sign insensibility of the Achilles tendon to pressure in tabes dorsalis.Babinski sign 1. loss or lessening of the triceps surae reflex in organic sciatica.2. see under  reflex .3. in organic hemiplegia, failure of the platysma muscle to contract on the affected side in opening themouth, whistling, etc.4. in organic hemiplegia, flexion of the thigh and lifting of the heel from the ground when the patient tries

to sit up from a supine position with arms crossed upon chest.5. in organic paralysis, when the affected forearm is placed in supination, it turns over to pronation.Beevor's sign 1. in functional paralysis, inability to inhibit the antagonistic muscles.2. in paralysis of the lower abdominal muscles due to a spinal cord lesion in the region of the lower thoracic vertebrae, there is upward excursion of the umbilicus on attempting to lift the head.Bergman's sign in urologic radiography, (a) the ureter is dilated immediately below a neoplasm, rather than collapsed as below an obstructing stone, and (b) the ureteral catheter tends to coil in this dilatedportion of the ureter.Biernacki's sign analgesia of the ulnar nerve in general paresis and tabes dorsalis.Blumberg's sign pain on abrupt release of steady pressure (rebound tenderness) over the site of asuspected abdominal lesion, indicative of peritonitis.Branham's sign bradycardia produced by digital closure of an artery proximal to an arteriovenousfistula.

Braxton Hicks' sign see under  contraction.Broadbent's sign retraction on the left side of the back, near the eleventh and twelfth ribs, related topericardial adhesion.Brudzinski sign 1. in meningitis, flexion of the neck usually causes flexion of the hip and knee.2. in meningitis, on passive flexion of one lower limb, the contralateral limb shows a similar movement.Chaddock's sign see under  reflex .Chadwick sign a dark blue to purplish-red congested appearance of the vaginal mucosa, an indicationof pregnancy.Chvostek sign , Chvostek-Weiss sign spasm of the facial muscles elicited by tapping the facial nervein the region of the parotid gland; seen in tetany.Cullen sign bluish discoloration around the umbilicus sometimes associated with intraperitonealhemorrhage, especially after rupture of the uterine tube in ectopic pregnancy; similar discolorationoccurs in acute hemorrhagic pancreatitis.Dalrymple sign abnormal wideness of the palpebral opening in Graves' disease.Delbet's sign in aneurysm of a limb's main artery, if nutrition of the part distal to the aneurysm ismaintained despite absence of the pulse, collateral circulation is sufficient.de Musset's sign  Musset's s.Ewart's sign bronchial breathing and dullness on percussion at the lower angle of the left scapula inpericardial effusion.fabere sign see Patrick's test .Friedreich's sign diastolic collapse of the cervical veins due to adhesion of the pericardium.Goodell's sign softening of the cervix; a sign of pregnancy.Gorlin's sign the ability to touch the tip of the nose with the tongue, often a sign of Ehlers-Danlossyndrome.Graefe's sign tardy or jerky downward movement of the upper eyelids when the gaze is directeddownward; noted in thyrotoxicosis.halo sign a halo effect produced in the radiograph of the fetal head between the subcutaneous fat andthe cranium; said to be indicative of intrauterine death of the fetus.

harlequin sign reddening of the lower half of the laterally recumbent body and blanching of the upper half, due to temporary vasomotor disturbance in newborn infants.Hegar's sign softening of the lower uterine segment; indicative of pregnancy.Hoffmann's sign 1. increased mechanical irritability of the sensory nerves in tetany; the ulnar nerve is usually tested.2. a sudden nipping of the nail of the index, middle, or ring finger produces flexion of the terminalphalanx of the thumb and of the second and third phalanges of some other finger.Homans' sign discomfort behind the knee on forced dorsiflexion of the foot, due to thrombosis in thecalf veins.Hoover's sign 1. in the normal state or in true paralysis, when the supine patient presses the leg against the surface onwhich he is lying, the other leg will lift.2. movement of the costal margins toward the midline in inhalation, bilaterally in pulmonary emphysemaand unilaterally in conditions causing flattening of the diaphragm.

Joffroy's sign in Graves' disease, absence of forehead wrinkling when the gaze is suddenly directedupward.

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