Exaggerated Discharge of Neurosomes into Spastic Muscle by Heat Reflex. ∗

Summary

The limited experimental evidence presented tends to support the statement that the reflex effects of heat applied to the skin are associated with the exaggerated discharge of ephemeral, pleomorphic, and lipoidal neurosomes from the motor end plates into spastic or cramp-like muscle. The neurosomes have a variable affinity for gold, silver, and lipoidal stains. There are characteristic instantaneous changes in the morphology of the motor end plates and myoplasm in response to the reflex effects of thermal trauma applied to the skin.