Dental arch: arching organ, composed of teeth, on the edges of the maxillae. It includes the incisors, the canines, the premolars and the molars. See more
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Skin: organ that forms the outer covering of a human body. See more
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Hair follicle: sac-like anatomical structure from which hair grows. See more
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Nervous system: set of nerves, ganglions and nervous centers that receive sensory signal. Commands and coordinates vital functions. See more
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Nervous system spinal nerves: spinal nerves: whitish cords transmitting outgoing signals, from the brain to the organs. See more
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Sensory impulse: phenomenon of polarization and depolarization through which the abnormal acticity of a fibre spreads through a nerve. See more
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Neuron: cell composed of a cell body, an axon and dendrites, forming a functional unit of the nervous system. See more
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Brain: Seat of mental capacities of a human. See more
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Encephelon: Seat of mental capacities of a human. See more
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Eye: organ of sight composed mainly of eyelids, eyelashes, the lachrymal gland and the eyeball. See more
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