منابع مشابه
Substructure of Amphibian Motor End Plate
End-plate membrane has been examined at amphibian myoneural junctions by means of transmission electron microscopy of thin tissue sections. The postjunctional membrane exhibits morphologically specialized dense, convex patches which are located superficially facing the axon terminal but do not extend into the depths of the junctional folds. In the specialized regions the plasma membrane is appr...
متن کاملHuman motor end plate: some ultrastructural aspects of its development.
Regarding the motor end plates, the earliest evidence of the formation of such structures was observed in the muscle of foetuses of nine and ten weeks development. At this stage the developing motor end plate consits of several small axons covered on their outer aspect by Schwann cell cytoplasm, while on the inner aspect they are separated by a layer of basement membrane of the myotube with whi...
متن کاملCholinesterase activity of motor end plate in human skeletal muscle.
The activity and properties of cholinesterase of the motor end plate in human intercostal muscle were studied in the isolated muscle membrane. This preparation was used because cholinesterase activity of the membrane preparation was localized in the motor end plate without contamination of cholinesterase of other muscle components. Under the experimental conditions, cholinesterase in a human en...
متن کاملMotor End-Plate Fine Structure of Red and White Muscles in Experimental Autoimmune Myasthenia Gravis
SUMMARY Neuromuscular junction ultrastructure in rat forelimb digit extensor muscle (FDE), extensor digitorum longus (EDL) and soleus (SOL) was quantitatively investigated in experimental autoim-mune myasthenia gravis (EAMG). Experimental animals were immunized with highly purified Narke Japonica acetylcholine receptor protein plus complete Freund's adjuvant and B. pertussis vaccine : control a...
متن کاملRole of motor end plate-targeted Botulinum toxin type A injections in children with cerebral palsyitle.
Botulinum toxin type A (BTX) injections are frequently used in children with cerebral palsy (CP) to control spasticity. Injection variables still lead to variable outcomes of this treatment. Using instrumented spasticity assessment and muscle volume assessment the most effective location of the injection was demonstrated for gracilis and psoas muscles in children with CP. It was found that this...
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ژورنال
عنوان ژورنال: Journal of Cell Biology
سال: 1974
ISSN: 1540-8140,0021-9525
DOI: 10.1083/jcb.62.3.755