what are the 3 major parts of a neuron?
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["Cell body. Also known as a soma, the cell body is the neuron's core. ... ", 'Axon. An axon is a long, tail-like structure which joins the cell body at a specialized junction called the axon hillock. ... ', 'Dendrites.']
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The Architecture of the Neuron The central nervous system (which includes the brain and spinal cord) is made up of two basic types of cells: neurons (1) and glia (4) & (6). Glia outnumber neurons in some parts of the brain, but neurons are the key players in the brain. Neurons are information messengers.
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It controls all parts of the body. It receives and interprets messages from all parts of the body and sends out instructions. The three main components of the central nervous system are the brain, spinal cord, and neurons.
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The basic functional unit of the nervous system is the neuron.
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The action potential has three main stages: depolarization, repolarization, and hyperpolarization.
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The neuron is the functional unit of the nervous system. Humans have about 100 billion neurons in their brain alone! While variable in size and shape, all neurons have three parts. Dendrites receive information from another cell and transmit the message to the cell body.
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Neurons. Neurons, or nerve cell, are the main structural and functional units of the nervous system. Every neuron consists of a body (soma) and a number of processes (neurites).
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Neurons. Neurons, or nerve cell, are the main structural and functional units of the nervous system. Every neuron consists of a body (soma) and a number of processes (neurites). The nerve cell body contains the cellular organelles and is where neural impulses (action potentials) are generated.
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The neuron, or nerve cell, is the basic functional unit of the nervous system. There are many types of neurons throughout the nervous system, but they share some common features: The cell body contains the nucleus and other organelles essential for the survival of the neuron.
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['Sensory neurons. ... ', 'Motor neurons. ... ', 'Interneurons. ... ', 'Neurons in the brain.']
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The three components of the brainstem are the medulla oblongata, midbrain, and pons.
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Each mammalian neuron consists of a cell body, dendrites, and an axon. The cell body contains the nucleus and cytoplasm. The axon extends from the cell body and often gives rise to many smaller branches before ending at nerve terminals. Dendrites extend from the neuron cell body and receive messages from other neurons.
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While there are many defined neuron cell subtypes, neurons are broadly divided into four basic types: unipolar, bipolar, multipolar, and pseudounipolar. Unipolar neurons have only one structure that extends away from the soma.
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['Sensory neurons send impulses from sensory receptors to inform the CNS of a stimulus. ... ', 'Motor neurons send impulses from the CNS to the muscle, organ or gland they command to take action. ... ', 'Inter neurons receive information from other neurons and pass this information on to other neurons.']
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Physiological Anatomy of Neuromuscular Junction For convenience and understanding, the structure of NMJ can be divided into three main parts: a presynaptic part (nerve terminal), the postsynaptic part (motor endplate), and an area between the nerve terminal and motor endplate (synaptic cleft).
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The brain can be divided into three basic units: the forebrain, the midbrain and the hindbrain. These areas are: Occipital lobe, Temporal lobe, Parietal lobe, Frontal lobe. Cerebral cortex, Cerebellum, Hypothalamus,Thalamus,Pituitary gland, Pineal gland, Amygdala, Hippocampas and the Mid- brain.
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Neurons have many different shapes and sizes. However, a typical neuron in a vertebrate (such as a human) consists of four major regions: a cell body, dendrites, an axon , and synaptic terminals. Like all cells, the entire neuron is surrounded by a cell membrane.