title: [Ultrastructural study of the arrector muscle in the patient with scleroderma. Preliminary analysis apropos of 3 cases].
abstract: An electron microscope study of the arrector pili muscle, using biopsies obtained from clinically and histologically healthy skin in 3 cases of scleroderma, showed the primary origin of the muscle disorders. They showed a certain number of changes, both of the differentiated cytoplasm and of the common cytoplasm.
mesh_terms: D003593:Cytoplasm / Q000648:ultrastructure; D005260:Female; D006801:Humans; D002479:Inclusion Bodies / Q000648:ultrastructure; D009130:Muscle, Smooth / Q000648:ultrastructure*; D009210:Myofibrils / Q000648:ultrastructure; D012595:Scleroderma, Systemic / Q000473:pathology*; D012867:Skin / Q000648:ultrastructure*
vernacular_title: Etude ultrastructurale du muscle arrecteur chez le sclérodermique. Analyse préliminaire à propos de trois cas