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SMA positive in an immunohistochemical stain means that the smooth muscle actin (SMA) protein is present and detected in the tissue sample. This can indicate the presence of smooth muscle cells in the tissue being examined, helping in the diagnosis of conditions involving smooth muscle abnormalities.

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1y ago

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What are the inheritance patterns for SMA?

Inheritance pattern for most forms of SMA is autosomal recessive, meaning that both parents are carriers of the disorder, and the chance of having a child affected with the disorder is 25% with each pregnancy.


What is the prognosis for a person with spinal muscular atrophy?

The prognosis for spinal muscular atrophy (SMA) varies depending on the type of SMA and the individual's specific situation. In general, SMA can lead to progressive muscle weakness and loss of motor function, potentially impacting quality of life and life expectancy. Advances in treatment, such as gene therapy, have improved outcomes for some individuals with SMA. Early diagnosis and appropriate management are crucial in optimizing outcomes for those affected by SMA.


What is the SALT telescope?

The Submillimeter Array (SMA) is a radio interferometer located atop Maunakea in Hawaii. It consists of eight radio dishes that work together to observe celestial objects at submillimeter wavelengths. The SMA is used for studying a wide range of astronomical phenomena such as star formation, planet formation, and the chemical composition of interstellar space.


What is the nervous system that breakdown that is caused by an autosomal recessive allele?

One example of a nervous system breakdown caused by an autosomal recessive allele is spinal muscular atrophy (SMA). SMA is a genetic disorder that leads to the loss of motor neurons in the spinal cord, resulting in muscle weakness and atrophy. It is caused by mutations in the SMN1 gene on chromosome 5.


What artery supplies the small intestine cecum ascending colon and transverse colon?

The artery that supplies the small intestine, cecum, ascending colon, and transverse colon is the superior mesenteric artery (SMA). It branches off from the abdominal aorta and provides blood to the majority of the small intestine and the first part of the large intestine. Key branches of the SMA include the jejunal and ileal arteries for the small intestine, as well as the ileocolic, right colic, and middle colic arteries for the cecum and colon.