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SMA syndrome can present in two forms: chronic/congenital or acute/induced. [citation needed] Patients with the chronic, congenital form of SMA syndrome predominantly have a lengthy or even lifelong history of abdominal complaints with intermittent exacerbations depending on the degree of duodenal compression.
SMA, several medical abbreviations; SMA 12, SMA 20 and SMAC, previous names of Comprehensive metabolic panel blood tests; α-SMA or ACTA2, an actin protein; Spinal muscular atrophy, a severe neuromuscular disorder; Spinal muscular atrophies, a heterogeneous group of rare disorders; Superior mesenteric artery; Supplementary motor area, of the ...
Spinal muscular atrophy (SMA) is a rare neuromuscular disorder that results in the loss of motor neurons and progressive muscle wasting. [3] [4] [5] It is usually diagnosed in infancy or early childhood and if left untreated it is the most common genetic cause of infant death. [6]
Abbreviation Meaning s̅: without (s with an overbar) (from Latin sine) S: sacrum: S x: symptoms surgery (though deemed by some as inappropriate) S 1: first heart sound: S 2: second heart sound: S 3: third heart sound S 4: fourth heart sound S&O: salpingo-oophorectomy Sb: Scholar batch SAAG: serum–ascites albumin gradient SAB: staphylococcal ...
Spinal muscular atrophies (SMAs) are a genetically and clinically heterogeneous group of rare debilitating disorders characterised by the degeneration of lower motor neurons (neuronal cells situated in the anterior horn of the spinal cord) and subsequent atrophy (wasting) of various muscle groups in the body. [1]
In human anatomy, the superior mesenteric artery (SMA) is an artery which arises from the anterior surface of the abdominal aorta, just inferior to the origin of the celiac trunk, and supplies blood to the intestine from the lower part of the duodenum through two-thirds of the transverse colon, as well as the pancreas.
SMA Spinal muscular atrophy: SMD Sensory modulation disorder SMEI Severe myoclonic epilepsy of infancy: SMS Smith–Magenis syndrome: SOD Septo-optic dysplasia: SPD Sensory processing disorder: SPS Stiff person syndrome: SSPE Subacute sclerosing panencephalitis: STEMI ST-elevation myocardial infarction: STD Sexually transmitted disease: STI
Pronunciation follows convention outside the medical field, in which acronyms are generally pronounced as if they were a word (JAMA, SIDS), initialisms are generally pronounced as individual letters (DNA, SSRI), and abbreviations generally use the expansion (soln. = "solution", sup. = "superior").