Nerve fibres. Light micrograph of a section through a bundle of myelinated axons. Axons are nerve cell processes that transmit nerve impulses away from the cell body. They eventually terminate in a synapse with another nerve cell or with an effector organ, for example a muscle cell where the impulse causes a response. Myelinated axons have a myelin sheath (dark blue) that is produced by associated Schwann cells. The myelin sheath causes impulses to be transmitted faster than in unmyelinated axons. Magnification: x430 when printed 10cm wide.
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Creative#:
TOP10219611
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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N/A
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N/A
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No
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