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Unloading of the soleus in tail-suspended rats increases the number of intrafusal fibers in muscle spindles

Autor: I. B. Krasnov, M. M. Umnova

Publikováno v: Biophysics. 51:832-836

Transmission electron microscopy was used to study the ultrastructure of muscle spindles (encapsulated stretch receptors) in m. soleus of adult Wistar rats after repeated hindlimb unloading. It was shown that the unloaded soleus contained not only sp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::60000430bcf44bcfb59bf042626f3e05
https://doi.org/10.1134/s0006350906050289

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[Ultrastructure of spindles in m. soleus of rats after repeated simulation of the weightlessness effects]

Autor: M M, Umnova, I B, Krasnov

Publikováno v: Aviakosmicheskaia i ekologicheskaia meditsina = Aerospace and environmental medicine. 40(4)

Postponed for a long time repeated simulation of the weightlessness effects in rats by tail-suspension increases in the amount of intrafusal muscle fibers in m. soleus spindles, reflecting presumably elevation of the sensitivity of mechanoreceptors.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::bee195da6da42d71dac84163fa40e1e4
https://pubmed.ncbi.nlm.nih.gov/17193982

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[The absence of support loading on the rat m. soleus leads to an increase in the number of intrafusal muscle fibres in muscle spindles]

Autor: M M, Umnova, I B, Krasnov

Publikováno v: Biofizika. 51(5)

The ultrastructure of muscle spindles (incapsulated mechanoreceptors of stretch of extrafusal muscle fibres) of m. soleus in adult Wistar rats after repeated unloading of support on hind limbs with preservation of support loading on fore limbs has be

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::a5a4f8ccc6b1024260e783db8815a636
https://pubmed.ncbi.nlm.nih.gov/17131838

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[Ultrastructure of muscle spindles (Mechanoreceptors) of Rat m. soleus after support unloading and its combination with hypergravity]

Autor: M M, Umnova, I B, Krasnov

Publikováno v: Izvestiia Akademii nauk. Seriia biologicheskaia. (2)

We used electron microscopy to evaluate the effect of support unloading of m. soleus in adult Wistar rats (restrained in an antiorthostatic posture for 23-24 h/day within 24 days) on the ultrastructure of the intrafusal fibers and motor neuromuscular

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::1a07b9185e45960603120d419a318ab4
https://pubmed.ncbi.nlm.nih.gov/12712573

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[Ultrastructural characteristics of rat neuromuscular junctions after physical load]

Autor: M M, Umnova, T P, Sééne, I B, Krasnov, A Ia, Pekhme

Publikováno v: Tsitologiia. 42(10)

It is interesting to ascertain the adaptive reaction of rat neuromuscular junctions (NMJ) of muscle fibers of different types to a chronic physical load. We examined ultrastructural changes in NMJ following both static load (pre- and postnatal ontoge

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::9dce62f84eb33e26840893fb1685d0af
https://pubmed.ncbi.nlm.nih.gov/11200138

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[Ultrastructure of type 2A extrafusal muscle fibers and intrafusal fibers of the muscle spindle (m. quadriceps femoris) from the adult rat after long-term swimming]

Autor: M M, Umnova, T P, Seene, A Ia, Pehme

Publikováno v: Izvestiia Akademii nauk. Seriia biologicheskaia. (6)

We compared the ultrastructure of type 2A extrafusal muscle fibers, the nuclear chain, and other intrafusal fibers of muscle spindle (muscle stretch mechanoreceptor) in adult rats after a prolonged swimming (5-10 h/day, 10 days). The Golgi apparatus

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::8e5f7f37b63f1f1631f99a9c627b0082
https://pubmed.ncbi.nlm.nih.gov/11147495

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