Definition of Intrafusal. Meaning of Intrafusal. Synonyms of Intrafusal

- Intrafusal muscle fibers are skeletal muscle fibers that serve as specialized sensory organs (proprioceptors). They detect the amount and rate of change...
- and the specialized fibers that make up the muscle spindle are called intrafusal muscle fibers. The regular muscle fibers outside of the spindle are called...
- only intrafusal muscle fibers (within the muscle spindle), whereas beta motor neurons, which are present in very low amounts, innervate both intrafusal and...
- alpha motor neurons and gamma motor neurons. Beta motor neurons innervate intrafusal fibers of muscle spindles with collaterals to extrafusal fibers - a type...
- extrafusal fibers. Fast Contracting- These innervate intrafusal fibers. Gamma motor neurons innervate intrafusal muscle fibers found within the muscle spindle...
- involved in muscle contraction. Beta motor neurons (β-MNs) innervate intrafusal fibers of muscle spindles with collaterals to extrafusal fibers (type...
- generate: The first of the two main groups of stretch receptors wrapping the intrafusal fibers are the Ia fiber, which are the largest and fastest fibers, and...
- neurons (α) target extrafusal muscle fibers. Gamma motor neurons (γ) target intrafusal muscle fibres Cranial nerves also supply their own somatic efferent neurons...
- specialized sensory organ contained within a muscle. Nuclear chain fibers are intrafusal fibers that, along with nuclear bag fibers, make up the muscle spindle...
- target extrafusal muscle fibers, and gamma motor neurons (γ) that target intrafusal muscle fibers. Beta motor neurons target both types of muscle fiber and...