Atrofias musculares

The author classifies all muscle atrophies into three groups, according to their origin: those depending on a lesion of the central nervous system, those secondary to involvement of the peripheral motor neuron and the primary muscle disease, also known as myopathies. He then describes the alterations found in these three types of atrophies, as well as the most important diseases in which they are liable to be found.De acordo com sua origem, o autor classifica as atrofias musculares em três grupos: as dependentes de lesão do sistema nervoso central, as secundáriasao comprometimento do neurônio motor periférico e as moléstias musculares primárias, ou miopatias. A seguir, são descritas as alterações encontradas nesses três tipos de amiotrofias, assim como as principais moléstias nas quais elas se verificam