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单词 Extrafusal muscle fiber
释义

Extrafusal muscle fiber

英语百科

Extrafusal muscle fiber

Extrafusal muscle fibers are the skeletal standard muscle fibers that are innervated by alpha motor neurons and generate tension by contracting, thereby allowing for skeletal movement. They make up large mass of skeletal (striated) muscle and are attached to bone by fibrous tissue extensions (tendons).

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