Abstract
The motoneurons innervating the perineal muscles of the rat are located in the lumbosacral spinal cord within the nucleus of Onuf, made up by a dorsolateral column and a dorsomedial one (Schroeder, 1980).
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
Arnold, A.P., and Gorski, R.A., 1984, Gonadal steroid induction of structural sex differences in the central nervous system, Ann.Rev.Neurosci., 7:413–442.
Breedlove, S.M., and Arnold, A.P., 1980, Hormone accumulation in a sexually dimorphic nucleus of the rat spinal cord, Science, 210:564–566.
Breedlove, S.M., and Arnold, A.P., 1981, Sexually dimorphic nucleus in the rat lumbar spinal cord: response to adult hormone manipulation, absence in androgen-insensitive rats, Brain Res., 225:297–307.
Breedlove, S.M., and Arnold, A.P., 1983a, Hormonal control of a developing neuromuscular system: I. Complete demasculinization of the male rat spinal nucleus of the bulbocavernosus using the anti-androgen flutamide, J.Neurosci., 3:417–423.
Breedlove, S.M., and Arnold, A.P., 1983b, Hormonal control of a developing neuromuscular system: II. Sensitive periods for the androgen-induced masculinization of the rat spinal nucleus of the bulbocavernosus, J.Neurosci., 3:424–432.
Burke, R.E., 1981, Motor units: anatomy, physiology and functional organization, in: “Handbook of Physiology -The nervous system”, vol II, part 1, V.B. Brooks, ed., American Physiological Society, Bethesda, MD, pp.345–422.
Edgerton, V.R., Roy, R.R., and Chalmers, G.R., 1990, Does the size principle give insight into the energy requirements of motoneurons?, in: “The segmental motor system”, M.D. Binder and I.M. Mendell, eds., Oxford University Press, New York, pp. 150–164.
Gabella, G., Trigg, P., and McPhail, H., 1988, Quantitative cytology of ganglion neurons and satellite glial cells in the superior cervical ganglion of the sheep. Relationship with ganglion neuron size, J.Neurocytol., 17:753–769.
Guldner, F.-H., 1982, Sexual dimorphism of axo-spine synapses and postsynaptic density material in the suprachiasmatic nucleus of the rat, Neurosci.Lett, 28:145–150.
Henneman, E., and Mendell, L.M., 1981, Functional organization of motoneuron pool and its inputs, in: “Handbook of Physiology -The nervous system”, vol. 11, part 1, V.B. Brooks, ed., American Physiological Society, Bethesda, M.D., pp. 423–507.
Hughes, B.J., Bowen, Ü.M., Campion, D.R., and Bradley, W.E., 1982, Effect of prepubertal castration on porcine bulbospongiosus muscle, Anat.Embryol., 168:51–58.
Kurz, E.M., Sengelaub, D.R., and Arnold, A.P., 1986, Androgen regulates the dendritic length of mammalian motoneurons in adulthood, Science, 232:395–398.
Leedy, M.G., Beattie, M.S., and Bresnahan, J.C., 1987, Testosterone-induced plasticity of synaptic inputs to adult mammalian motoneurons, Brain Res., 424:386–390.
Matsumoto, A., and Arai, Y., 1986, Male-female difference in the organization of the ventromedial nucleus of the hypothalamus in the rat, Neuroendocrinology, 42:232–236.
Matsumoto, A., Mycevich, P.E., and Arnold, A.P., 1988, Androgen regulates synaptic input to motoneurons of the rat spinal cord, J.Neurosci., 8:4168–4176.
Meisel, R.I., and Pfaff, D.W., 1988, Progesterone effects on sexual behavior and neuronal ultrastructure of female rats, Brain Res., 43:153–157.
Mendell, L.M., Collins, W.F., and Koerber, H.R., 1990, How are la synapses distributed on spinal motoneurons to permit orderly recruitment?, in: “The segmental motor system”, M.D. Binder and I.M. Mendell, eds., Oxford University Press, New York, pp. 308–327.
Olmos, G., Naftolin, F., Perez, J., Tranque, P.A., and Garcia-Segura, L.M., 1989, Synaptic remodeling in the rat arcuate nucleus during the estrous cycle, Neuroscience, 32:663–667.
Schroeder, H.D., 1980, Organization of the motoneurons innervating the pelvic muscles of the rat, J.Comp.Neurol., 192:567–587.
Schumacher, M., 1990, Rapid membrane effects of steroid hormones: an emerging concept in neuroendocrinology, TINS, 13:359–362.
Sengelaub, D.R., and Arnold, A.P., 1989, Hormonal control of neuron number in sexually dimorphic nuclei of the rat: I. Testosterone-regulated death in the dorsolateral nucleus, J.Comp.Neurol., 280:622–629.
Vercelli, A., and Cracco, C., 1989, Influence of testosterone on the development of the ischiocavemosus muscle of the rat, Acta Anat., 134:177–183.
Vercelli, A., and Cracco, C., 1990, Effects of prepubertal castration on the spinal motor nucleus of the ischiocavemosus muscle of the rat, Cell Tissue Res., 262:551–557.
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 1991 Plenum Press, New York
About this chapter
Cite this chapter
Cracco, C., Vercelli, A. (1991). Hormone-Dependent Plasticity of the Motoneurons of the Ischiocavernosus Muscle: An Ultrastructural Study. In: Timiras, P.S., Privat, A., Giacobini, E., Lauder, J., Vernadakis, A. (eds) Plasticity and Regeneration of the Nervous System. Advances in Experimental Medicine and Biology, vol 296. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-8047-4_6
Download citation
DOI: https://doi.org/10.1007/978-1-4684-8047-4_6
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4684-8049-8
Online ISBN: 978-1-4684-8047-4
eBook Packages: Springer Book Archive