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. 1985 Mar;140(Pt 2):237–243.

On the bilateral innervation of masticatory muscles: a study with retrograde tracers.

J T Rokx, P J Jüch, J D Van Willigen
PMCID: PMC1165162  PMID: 2416722

Abstract

Using horseradish peroxidase and fluorescent compounds as retrograde tracers, the myotopical arrangement and axon trajectories of the motoneurons innervating the supramandibular and the suprahyoidal muscles were studied in the rat. Only motoneurons ipsilateral to the injection site were labelled. In the trigeminal motor nucleus, motoneurons of the superficial masseter muscle were found laterally, of the anterior deep masseter muscle centrally, and of the temporalis muscle dorsally and medially. Motoneurons of the anterior and posterior digastric muscle were located in the accessory motor nucleus of the trigeminal and facial nerve respectively. Evidence is provided that jaw-opening muscles are innervated from a separate motor complex.

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Selected References

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  1. Batini C., Buisseret-Delmas C., Corvisier J. Horseradish peroxidase localization of masticatory muscle motoneurons in cat. J Physiol (Paris) 1976 Jun;72(3):301–309. [PubMed] [Google Scholar]
  2. CLARKE W. B., BOWSHER D. Terminal distribution of primary afferent trigeminal fibers in the rat. Exp Neurol. 1962 Nov;6:372–383. doi: 10.1016/0014-4886(62)90019-5. [DOI] [PubMed] [Google Scholar]
  3. Jacquin M. F., Rhoades R. W., Enfiejian H. L., Egger M. D. Organization and morphology of masticatory neurons in the rat: a retrograde HRP study. J Comp Neurol. 1983 Aug 10;218(3):239–256. doi: 10.1002/cne.902180302. [DOI] [PubMed] [Google Scholar]
  4. Jacquin M. F., Semba K., Rhoades R. W., Egger M. D. Trigeminal primary afferents project bilaterally to dorsal horn and ipsilaterally to cerebellum, reticular formation, and cuneate, solitary, supratrigeminal and vagal nuclei. Brain Res. 1982 Aug 26;246(2):285–291. doi: 10.1016/0006-8993(82)91177-5. [DOI] [PubMed] [Google Scholar]
  5. Kemplay S., Cavanagh J. B. Bilateral innervation of the anterior digastric muscle by trigeminal motor neurons. J Anat. 1983 Mar;136(Pt 2):417–423. [PMC free article] [PubMed] [Google Scholar]
  6. Kuypers H. G., Bentivoglio M., Catsman-Berrevoets C. E., Bharos A. T. Double retrograde neuronal labeling through divergent axon collaterals, using two fluorescent tracers with the same excitation wavelength which label different features of the cell. Exp Brain Res. 1980;40(4):383–392. doi: 10.1007/BF00236147. [DOI] [PubMed] [Google Scholar]
  7. Limwongse V., DeSantis M. Cell body locations and axonal pathways of neurons innervating muscles of mastication in the rat. Am J Anat. 1977 Aug;149(4):477–488. doi: 10.1002/aja.1001490405. [DOI] [PubMed] [Google Scholar]
  8. Marfurt C. F. The central projections of trigeminal primary afferent neurons in the cat as determined by the tranganglionic transport of horseradish peroxidase. J Comp Neurol. 1981 Dec 20;203(4):785–798. doi: 10.1002/cne.902030414. [DOI] [PubMed] [Google Scholar]
  9. Martin M. R., Lodge D. Morphology of the facial nucleus of the rat. Brain Res. 1977 Mar 4;123(1):1–12. doi: 10.1016/0006-8993(77)90639-4. [DOI] [PubMed] [Google Scholar]
  10. Martin M. R., Mason C. A. The seventh cranial nerve of the rat. Visualization of efferent and afferent pathways by cobalt precipitation. Brain Res. 1977 Jan 31;121(1):21–41. doi: 10.1016/0006-8993(77)90436-x. [DOI] [PubMed] [Google Scholar]
  11. Matsuda K., Uemura M., Takeuchi Y., Kume M., Matsushima R., Mizuno N. Localization of motoneurons innervating the posterior belly of the digastric muscle: a comparative anatomical study by the HRP method. Neurosci Lett. 1979 Apr;12(1):47–52. doi: 10.1016/0304-3940(79)91478-2. [DOI] [PubMed] [Google Scholar]
  12. Mesulam M. M., Hegarty E., Barbas H., Carson K. A., Gower E. C., Knapp A. G., Moss M. B., Mufson E. J. Additional factors influencing sensitivity in the tetramethyl benzidine method for horseradish peroxidase neurohistochemistry. J Histochem Cytochem. 1980 Nov;28(11):1255–1259. doi: 10.1177/28.11.6159394. [DOI] [PubMed] [Google Scholar]
  13. Mizuno N., Konishi A., Sato M. Localization of masticatory motoneurons in the cat and rat by means of retrograde axonal transport of horseradish peroxidase. J Comp Neurol. 1975 Nov 1;164(1):105–115. doi: 10.1002/cne.901640109. [DOI] [PubMed] [Google Scholar]
  14. Nomura S., Mizuno N. Axonal trajectories of masticatory motoneurons: a genu formation of axons of jaw-opening motoneurons in the cat. Neurosci Lett. 1983 May 27;37(1):11–15. doi: 10.1016/0304-3940(83)90497-4. [DOI] [PubMed] [Google Scholar]
  15. Sasamoto K. Motor nuclear representation of masticatory muscles in the rat. Jpn J Physiol. 1979;29(6):739–747. doi: 10.2170/jjphysiol.29.739. [DOI] [PubMed] [Google Scholar]
  16. Sherrington C. S. Reflexes elicitable in the cat from pinna vibrissae and jaws. J Physiol. 1917 Dec 6;51(6):404–431. doi: 10.1113/jphysiol.1917.sp001809. [DOI] [PMC free article] [PubMed] [Google Scholar]
  17. Smith R. D., Marcarian H. Q., Niemer W. T. Bilateral relationships of the trigeminal mesencephalic nuclei and mastication. J Comp Neurol. 1967 Oct;131(2):79–92. doi: 10.1002/cne.901310202. [DOI] [PubMed] [Google Scholar]
  18. Smith R. D., Marcarian H. Q., Niemer W. T. Direct projections from the masseteric nerve to the mesencephalic nucleus. J Comp Neurol. 1968 Aug;133(4):495–502. doi: 10.1002/cne.901330408. [DOI] [PubMed] [Google Scholar]
  19. Székely G., Matesz C. The accessory motor nuclei of the trigeminal, facial, and abducens nerves in the rat. J Comp Neurol. 1982 Sep 20;210(3):258–264. doi: 10.1002/cne.902100305. [DOI] [PubMed] [Google Scholar]
  20. TORVIK A. Afferent connections to the sensory trigeminal nuclei, the nucleus of the solitary tract and adjacent structures; an experimental study in the rat. J Comp Neurol. 1956 Nov;106(1):51–141. doi: 10.1002/cne.901060104. [DOI] [PubMed] [Google Scholar]
  21. Tal M. Representation of some masticatory muscles in the trigeminal motor nucleus of the guinea pig: horseradish peroxidase study. Exp Neurol. 1980 Dec;70(3):726–730. doi: 10.1016/0014-4886(80)90200-9. [DOI] [PubMed] [Google Scholar]
  22. Uemura-Sumi M., Takahashi O., Matsushima R., Takata M., Yasui Y., Mizuno N. Localization of masticatory motoneurons in the trigeminal motor nucleus of the guinea pig. Neurosci Lett. 1982 Apr 26;29(3):219–224. doi: 10.1016/0304-3940(82)90320-2. [DOI] [PubMed] [Google Scholar]
  23. Weijs-Boot J., van Willigen J. D. Bilateral effects of electrical stimulation of the palate on digastric and tongue reflex activity in the rat. Arch Oral Biol. 1978;23(4):269–271. doi: 10.1016/0003-9969(78)90017-1. [DOI] [PubMed] [Google Scholar]
  24. Yassin I. B., Leong S. K. Localization of neurons supplying the temporalis muscle in the rat and monkey. Neurosci Lett. 1979 Jan;11(1):63–68. doi: 10.1016/0304-3940(79)90057-0. [DOI] [PubMed] [Google Scholar]
  25. Yoshida Y., Miyazaki T., Hirano M., Shin T., Kanaseki T. Topographic arrangement of motoneurons innervating the suprahyoid and infrahyoid muscles. A horseradish peroxidase study in cats. Ann Otol Rhinol Laryngol. 1983 May-Jun;92(3 Pt 1):259–266. doi: 10.1177/000348948309200309. [DOI] [PubMed] [Google Scholar]

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