L Gollvik

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After intra-axonal injection of horseradish peroxidase (HRP) into afferent fibers originating from muscle spindle primary endings of the cat gastrocnemius, group Ia boutons located in the ventral horn of the spinal cord were identified and studied electron microscopically. The Ia boutons were invariably found to contain spherical synaptic vesicles (S-type(More)
Five to seven day-old kittens were subjected to partial tenotomy of the Achilles (triceps surae) tendon. The effects of tenotomy and overload on the development of muscle fibre histochemistry and fibre sizes were investigated when the cats had reached the adult stage. The examined muscles were the uniform soleus and the mixed medial gastrocnemius.(More)
The anatomy of intracellularly HRP-labeled soleus alpha-motoneurone dendrites was studied both in normal adult cats ("normal soleus", NS) and in adult cats which at a postnatal age of 5-7 days had been subjected to chronic tenotomy of either the soleus muscle ("tenotomized soleus", TS), or all the soleus synergists contributing to the achilles tendon(More)
Kittens, 5-7 days old, were subjected to tenotomy of either the soleus muscle or all its Achilles tendon synergists. When the cats had reached the adult stage, the physiological properties of the soleus motor units were investigated in both the atrophic and hypertrophic situations. Tenotomy resulted in a marked muscle weight loss and overload due to(More)
Five-to 7-day-old kittens were subjected to tenotomy of either the medial gastrocnemius muscle (MG) or its synergists within the Achilles tendon. The effects of these operations on the postnatal differentiation of MG motor units were investigated when the cats had reached the adult stage. The MG tenotomy produced a substantial weight loss, while tenotomy of(More)
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