…In addition to the flexion reflexes mentioned above, there are also the stretch reflex (when a muscle is stretched, it contracts), the tendon reflex (when a muscle is stretched for a short time by tapping the tendon, a type of stretch reflex occurs), and the crossed extension reflex (when the limb opposite to the limb in which the flexion reflex occurs is extended). A typical intersegmental reflex is the scratch reflex, which, when a stimulus is applied to the shoulder of a cat or dog, causes the hind limb to be raised and scratched rhythmically. The fact that this is a pure reflex is shown by the fact that it also occurs in animals with upper cervical spinal cord amputations. … *Some of the terminology that mentions "scratch reflex" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…脊髄節反射には上記の屈曲反射のほか,伸張反射stretch reflex(ある筋肉を引き伸ばすとその筋肉に収縮が起こる),腱反射tendon reflex(腱をたたいて筋肉を短時間引き伸ばすと起こる一種の伸張反射),交叉伸展反射crossed extension reflex(屈曲反射の起こる肢と反対側の肢が伸びる)などがある。脊髄節間反射として典型的なのはひっかき反射scratch reflexで,ネコやイヌの肩口などに刺激が加わると,後肢をあげて律動的にひっかく運動が起こる。これが純粋な反射であることは,頸髄上部を切断した動物でも起こることによって示される。… ※「scratch reflex」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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