The discovery of the neuron
This led Cajal to formulate the law of dynamic polarization, according to which information flows in one direction through a neuron, from the dendrites, through the cell body, to the axon ... The brain is yet to yield the vast majority of its secrets ...
What Are Moles? What Are Melanocytic Nevi?
The majority of moles appear during the first 20 to 30 years of a person's life, however ... If the cancer has entered the bloodstream or lymphatic system and formed tumors in other parts of the body, the patient will require further treatment.
Study identifies key player in motor neuron death in Lou Gehrig's disease
Amyotrophic lateral sclerosis, also known as Lou Gehrig's ... neurons are involved in disease onset, but disease progression seems to be dictated by changes to astrocytes, microglia and oligodendrocytes. Some cases of ALS are hereditary but the vast ...
What Causes Itching? 'Nppb' Protein Molecule Triggers Sensation, Mouse Study Suggests
Injection of a toxin made from soapwort seeds that targeted these spinal-cord neurons blocked itch responses, but not other sensory responses, suggesting that information about ... but for the vast majority they do nothing,” he says.
The Life and Death of a Neuron
But scientists believed that once a neural circuit was in place, adding any new neurons would disrupt the flow of information and disable the brain’s communication system.In 1962 ... have three basic parts: a cell body and two extensions called an ...