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7 de mai. de 2024 · Learn about the structure and function of nerves, the fibres that connect the nervous system with other parts of the body. Find out how nerves are classified into sensory, motor, and autonomic, and how they form the cranial and spinal nerves.
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16 de mai. de 2024 · neuron, basic cell of the nervous system in vertebrates and most invertebrates from the level of the cnidarians (e.g., corals, jellyfish) upward. A typical neuron has a cell body containing a nucleus and two or more long fibres. Impulses are carried along one or more of these fibres, called dendrites, to the cell body; in higher nervous systems ...
- The Editors of Encyclopaedia Britannica
26 de abr. de 2024 · central nervous system, system of nerve tissue in vertebrates that consists of the brain and spinal cord. The central nervous system controls both voluntary movements, such as those involved in walking and in speech, and involuntary movements, such as breathing and reflex actions.
- The Editors of Encyclopaedia Britannica
26 de abr. de 2024 · The sciatic nerve is a major nerve of the lower limb. It is a thick flat band, approximately 2cm wide – the largest nerve in the body. In this article, we shall look at the anatomy of the sciatic nerve – its anatomical course, motor and sensory functions, and its clinical correlations.
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Há 4 dias · The hypoglossal nerve (CN XII) is exclusively a motor nerve carrying general somatic efferent fibers (GSE). It innervates all intrinsic and almost all extrinsic muscles of the tongue , as well as one suprahyoid muscle, the geniohyoid muscle.
Há 4 dias · The radial nerve is a major peripheral nerve of the upper limb. In this article, we shall look at the applied anatomy of the nerve - its anatomical course, motor functions and cutaneous innervation. We shall also consider the clinical correlations of damage to the radial nerve.
