The predominantly inattentive type has a group of nine symptoms of inattention or distraction. You probably have a hard time with organization and paying attention if you have ADHD inattentive type. Causes
Neuron. Definition. noun, plural: neurons. An excitable cell that has specialized cell parts (such as soma, dendrites and axons), structures (such as synapses), and chemicals (such as neurotransmitters) for conducting nerve impulses.Supplement. Neurons are nerve impulse-conducting cells that make up nerves, brain and spinal column.efinition. noun, plural: neurons. An excitable cell that has specialized cell parts (such as soma, dendrites and axons), structures (such as synapses), and chemicals (such as neurotransmitters) for conducting nerve impulses. Supplement.
The neuron is the basic building block of the brain and central nervous system. Neurons are specialized cells that transmit chemical and electrical signals. The brain is made up entirely of neurons and glial cells, which are non-neuronal cells that provide structure and support for the neurons.