| 释义 |
muscle spindle
noun[ C ]
anatomy specializeduk /ˈmʌs.əl ˌspɪn.dəl/ us /ˈmʌs.əl ˌspɪn.dəl/
a small structure found within muscles that sends information to the nervous system about how much the muscle is stretching:
The stretch reflex is initiated by muscle spindle cells detecting a rapid muscle stretch.
Moving around on an unstable surface stimulates the nerves and muscle spindles to improve balance.
Animal studies have shown that muscle spindle afferent activity is reduced even before any detectable weakness.
There is some evidence that an abnormality of muscle spindle feedback to the spinal cord is responsible for this rigidity.
The proprioceptive system consists of sensors in the muscles, called muscle spindles, that communicate to the nervous system.
SMART Vocabulary: related words and phrases
Substances & structures in the body
abductor
accessorius
ACL
actin
adductor
fundus
funiculus
fusiform
glomerular
glomerulus
navicular
neuroendocrine
neurohormonal
neurohormone
nociceptive
tendinous
tendinum
tendo
tensor
Th
Synonym
stretch receptor
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