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Skeletal muscles (the ones in arms, legs and other moving parts of the body) have large numbers of nuclei. They are formed during development by the fusion of many single nucleus myoblastcells . Other muscle cells, like the cardiac muscle cells in the heart or smooth cells in the gut, do not fuse and have only one nucleus. For more information see "Molecular Biology of the Cell" published by Garland Press.

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10y ago
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12y ago

Each smooth muscle cell has only 1 nucleus. Skeletal muscle cells are much bigger and are formed by the merging many cells during fetal development, so they have many nuclei. Heart muscle cells usually have 1 nucleus but some have 2.

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14y ago

A skeletal muscle consists of muscle fibers that are wrapped in a sort of sheath called a fascicle. The cells of muscle fibers are multi-nucleated, they have more than one nucleus.

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15y ago

Skeletal muscle cells tend to be multi-nucleated. They all have at least one nucleus.

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15y ago

No, it has 1,000,000,000,000,000,000 of them. ^sigh

# Skeletal muscle cells are said to be 'multinucleate', which means that they do indeed have more than one nucleus per cell

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14y ago

A smooth muscle has only one, centered, elongated nucleus.

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Q: What is nuclei in the skeletal muscle?
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