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Hace 5 días · Neurons are information carrier cells within the central nervous system (CNS) and peripheral nervous system (PNS). There are three main categories of neurons: motor neurons, sensory neurons, and interneurons.
Hace 2 días · A nervous system emerges from the assemblage of neurons that are connected to each other in neural circuits, and networks. The vertebrate nervous system can be split into two parts: the central nervous system (defined as the brain and spinal cord), and the peripheral nervous system.
Hace 4 días · Brain, the mass of nerve tissue in the anterior end of an organism. The brain integrates sensory information and directs motor responses; in higher vertebrates it is also the center of learning. Learn more about the parts and functions of the brain in this article.
Hace 5 días · The cells of the brain include neurons and supportive glial cells. There are more than 86 billion neurons in the brain, and a more or less equal number of other cells.
Hace 2 días · A neurotransmitter is a signaling molecule secreted by a neuron to affect another cell across a synapse. The cell receiving the signal, or target cell, may be another neuron, but could also be a gland or muscle cell.
Hace 4 días · It encompasses the evolution, development, cellular and molecular biology, physiology, anatomy and pharmacology of the nervous system, as well as computational, behavioural and cognitive...
Hace 3 días · Finally! Now we can begin some actually anatomy! This video discusses the cells found in the nervous system as well as neuron structure and sets the stage fo...