Athar Maqbool, Muhammad Zahoor Janjua, Zubia Athar.
Study of motor units innervated by common peroneal nerve in monkey.
Professional Med J Nov ;3(4):295-302.

The average number and size of motor units were assessed by investgating the components of motor units supplied by Common Peroneal Nerve in monkey (macaca mulatta). The motoneurons forming the common Peroneal nerve (CPN) localized by horseradish peroxidase neuronal tracing technique extended from the caudal part of L4 to the caudal part of L6 segments of the spinal cord. The average somal diameter of motoneurons ranged between 14 and 78 m. The motoneurons measuring more than 38 m (presumably the alpha neurons) were 69.23%. The motor end plates on skeletal myofibrils of muscles supplied by the CPN were localized by using Bromo-indigo and urea-silver technique. The average number of motor units was assessed as the ratio between the number of motoneurons and the motor endplates. The total of 992 motor units with the size of 157 of the muscles innervated by the CPN have been observed in the present study.

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