What HIRAYAMA SYNDROME - MONOMELIC AMYOTROPHY (MMA) means: Hirayama Syndrome - Monomelic amyotrophy (MMA) is characterized by progressive degeneration and loss of motor neurons, the nerve cells in the brain and spinal cord that are responsible for controlling voluntary muscles. It is characterized by weakness and wasting in a single limb, usually an arm and hand rather than a foot and leg. There is no pain associated with MMA. While some physicians contend that mild sensory loss may be associated with this disease, many experts suggest that such symptoms actually indicate a cause other than MMA. MMA occurs in males between the ages of 15 and 25.
- Definition Hemiplegia Alterans:
- Dictionary Alternating hemiplegia is a rare neurological disorder that develops in childhood, usually before the first 4 years. The disorder is characterized by recurrent but temporary episodes of paralysis hirayama syndrome - monomelic amyotrophy (mma) definition.
- Definition Herpes Zoster:
- Dictionary Shingles (herpes zoster) is an outbreak of rash or blisters on the skin that is caused by the same virus that causes chickenpox - the varicella-zoster virus. The first sign of shingles is often hirayama syndrome - monomelic amyotrophy (mma) explain.
- Definition Hemifacial Spasm:
- Dictionary Hemifacial spasm is a neuromuscular disorder characterized by frequent involuntary contractions of the muscles on one side of the face. The disorder occurs in both men and women, although it more hirayama syndrome - monomelic amyotrophy (mma) what is.
- Definition Huntington'S Disease:
- Dictionary Disease - is caused by a trinucleotide repeat expansion in the gene coding for Huntingtin protein (Htt) and is one of several polyglutamine diseases. This expansion produces an altered form of the hirayama syndrome - monomelic amyotrophy (mma) meaning.
