sma

spinal muscular atrophy, crohn s disease, chrons disease, chrones disease, sma disease
spinal muscular atrophy
sma, chrones disease, sma disease, crohn s disease, chrones


Spinal Muscular Atrophy (SMA) is a term applied to a number of different disorders, all having in common a genetic cause and the manifestation of weakness due to loss of the motor neurons of the spinal cord and brainstem.


http://en.wikipedia.org/wiki/Spinal_muscular_atrophy