| SP | sacroposterior; sacrum to pubis; salivary progesterone; schizotypal personality; semi-private [room]... |
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| sPLM | sleep-related periodic leg movements |
| SPT | secretin-pancreazymin [test]; single patch technique; sleep period time; spectrin; station pull-thro... |
| SR | sarcoplasmic reticulum; saturation recovery; scanning radiometer; screen; secretion rate; sedimentat... |
| SRBD | sleep-related breathing disorder |
locked-in syndrome
| Marcus Gunn syndrome | <syndrome> An increase in the width of the eye lids during chewing, sometimes with a rhythmic elevation of the upper lid when the mouth is open and ptosis when the mouth is closed. Synonym: Gunn phenomenon, Gunn's syndrome, jaw-winking phenomenon, jaw-working reflex, Marcus Gunn phenomenon, Marcus Gunn syndrome. (05 Mar 2000) |
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| Marfan's syndrome | <syndrome> A hereditary condition of the connective tissue. Symptoms and signs include tall lean body type, irregular or unsteady gait, long extremities (including fingers and toes), abnormal joint flexibility, flat feet, stooped shoulders, dislocation of the optic lens and aneurysms of the aorta. Affects 1 in 50,000 people. Probably a collagen fibril assembly disorder since it can be mimicked in mice by aminonitriles that interfere with crosslinking. Inheritance: autosomal dominant. (06 Oct 1997) |
| marfan syndrome | <radiology> Connective-tissue disorder: autosomal dominant, 15% sporadic, cardiovascular system (probable cause of death in 93%), aortic aneurysm (mostly ascending), dilatation of aortic sinuses, aortic dissection, coarctation, musculoskeletal system, tall stature, long limbs, arachnodactyly, lax joints, scoliosis (60%) / kyphosis / pectus, eye, lens subluxation Cf: homocystinuria More info: Marfan syndrome (12 Dec 1998) |
| Marie-Robinson syndrome | <syndrome> Insomnia and mild melancholia associated with alimentary levulosuria. (05 Mar 2000) |
| Marinesco-Garland syndrome | <syndrome> A rare neurologic disorder characterised by cerebellolental degeneration with mental retardation; autosomal recessive inheritance. Synonym: cataract-oligophrenia syndrome, Marinesco-Sjogren syndrome, Torsten Sjogren's syndrome. (05 Mar 2000) |
| Marinesco-Sjogren syndrome | <syndrome> A rare neurologic disorder characterised by cerebellolental degeneration with mental retardation; autosomal recessive inheritance. Synonym: cataract-oligophrenia syndrome, Marinesco-Sjogren syndrome, Torsten Sjogren's syndrome. (05 Mar 2000) |
| verner-morrison syndrome | <radiology> WDHA syndrome, watery diarrhoea, hypokalaemia, achlorhydria, vasoactive intestinal peptide (VIP) secreted by, pancreatic isleT-cell tumour (VIPoma) (12 Dec 1998) |
| Vernet's syndrome | <syndrome> A syndrome characterised by paralysis of the motor components of the glossopharyngeal, vagus, and accessory cranial nerves as they lie in the posterior fossa; it is most commonly the result of head injury. (05 Mar 2000) |
| Maroteaux-Lamy syndrome | <biochemistry, syndrome> An error of mucopolysaccharide metabolism due to deficiency of the lysosomal enzyme arylsulphatase B. It is characterised by excretion of dermatan sulfate in the urine, growth retardation, lumbar kyphosis, sternal protrusion, genu valgum, usually hepatosplenomegaly, and no mental retardation. Onset occurs after two years of age. Inheritance: autosomal recessive. Synonym: polydystrophic dwarfism, mucopolysaccharidosis type VI. (05 Mar 2000) |
| Marshall syndrome | <syndrome> Syndrome of mid-face hypoplasia, cataract, sensorineural hearing loss, and hypohidrosis. It is disputed whether this syndrome is distinct from Stickler's syndrome. (05 Mar 2000) |
| carotid artery occlusive syndrome | <syndrome> Aortic arch syndrome, also referred to by many as vertebral-basilar artery disease, carotid artery occlusive syndrome and subclavian steal syndrome. Characterised by a constellation of signs and symptoms which occur secondary to abnormalities in the major arteries which extend off of the aortic arch. These abnormalities are structural and most often secondary to the effects of atherosclerosis, blood clots, trauma or a congenital abnormality. Symptoms of this condition include various neurologic symptoms, reduction in pulse and changes in blood pressure. (27 Sep 1997) |
| carotid sinus syndrome | <syndrome> Stimulation of a hyperactive carotid sinus, causing a marked fall in blood pressure due to vasodilation, cardiac slowing, or both; syncope with or without convulsions or A-V block may occur. Synonym: Charcot-Weiss-Baker syndrome. (05 Mar 2000) |
| Martorell's syndrome | <syndrome> Aortic arch syndrome, also referred to by many as vertebral-basilar artery disease, carotid artery occlusive syndrome and subclavian steal syndrome is characterised by a constellation of signs and symptoms which occur secondary to abnormalities in the major arteries which extend off of the aortic arch. These abnormalities are structural and most often secondary to the effects of atherosclerosis, blood clots, trauma or a congenital abnormality. Symptoms of this condition include various neurologic symptoms, reduction in pulse and changes in blood pressure. (27 Sep 1997) |
| masa syndrome | <syndrome> MASA stands for mental retardation, aphasia, shuffling gait, and adducted thumbs. Features of the syndrome include (1) neurologically: mental retardation and aphasia (lack of speech); (2) limbs: adducted (clasped) thumbs, absent extensor pollicis longus and/or brevis muscles to the thumb, shuffling gait, and leg spasticity; (3) growth: small body size; (4) skeleton: lumbar lordosis (sway back). It is inherited as an x-linked trait and so affects mainly boys. Alternative names for masa include clasped thumb and mental retardation, congenital clasped thumb with mental retardation, adducted thumb with mental retardation, and the gareis-mason syndrome. inheritance: X-linked (29 Dec 1998) |
| carpal tunnel syndrome | <syndrome> A condition where there is a disturbance of median nerve function in the wrist as the nerve passes through the carpal tunnel. A buildup of scar tissue (inside the carpal tunnel) can lead to this surgically correctable problem. Often treated with splinting and anti-inflammatory agents. (27 Sep 1997) |