Term
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Definition
| Muscle spindle primary endings |
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Term
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Definition
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Term
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Definition
| Efferents to intrafusal fibers |
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Term
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Definition
Most nociceptors (dull, aching pain)
Warmth receptors
Itch receptors
Postganglionic autonomic efferents |
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Term
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Definition
| Efferents to extrafusal muscle fibers |
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Term
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Definition
Ia and II -->
1. [+;Dorsal Nuc. of Clarke (C8-L2)] --> D. spinocerebellar tract
2. [+]Homonymous muscle
3. [+]Synergist muscles
4. [-][+]antagonist (heteromynous) muscle
Mod: 1. Descending motor systems
2. Cutaneous afferents to γ and α motor neurons |
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Term
| Golgi tendon organ reflex |
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Definition
Ib --> [+/-] descending mod
1. [-] [+] Flexor muscle
2. [+] [+] Extensor muscle |
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Term
| Flexion-crossed extension reflex |
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Definition
Aδ -->
1. [-] [+] Ipsilateral extensor
2. [+] [+] Ipsilateral flexor
3. [-] [+] Contoralateral flexor
4. [+] [+] Contralateral extensor |
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