Direct projections from the periaqueductal gray to pontine micturition center neurons projecting to the lumbosacral cord segments: An electron microscopic study in the rat

Neuroscience Letters

Volumn 242, Issue 2, 1998, Pages 97-100

  Ding, Yu Qiang ^a   Wang, Dan ^a   Nie, Hong ^a   Guan, Zhen Long ^a   Lü, Bao Zhen ^a   Li, Ji Shuo ^a  

^a FOURTH MILITARY MEDICAL UNIVERSITY   (China)

Author keywords

Barrington's nucleus; Double labeling; Electron microscopy; Micturition; Periaqueductal gray; Rat

Indexed keywords

DEXTRAN; HORSERADISH PEROXIDASE;

ANIMAL CELL; ANIMAL EXPERIMENT; ANIMAL TISSUE; ARTICLE; CONTROLLED STUDY; DENDRITE; ELECTRON MICROSCOPY; LUMBOSACRAL SPINE; MALE; MICROSCOPY; MICTURITION; NERVE ENDING; NERVE FIBER; NERVE PROJECTION; NONHUMAN; PERIAQUEDUCTAL GRAY MATTER; PONS; PRIORITY JOURNAL; RAT; SYNAPSE;

ANIMALS; BIOTIN; DEXTRANS; FLUORESCENT DYES; GANGLIA, PARASYMPATHETIC; HORSERADISH PEROXIDASE; MALE; MICROSCOPY, ELECTRON; MOTOR NEURONS; NEURAL PATHWAYS; PERIAQUEDUCTAL GRAY; PONS; RATS; RATS, WISTAR; REFLEX; SPINAL CORD; URINATION;

EID: 0032512888     PISSN: 03043940     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0304-3940(98)00056-1     Document Type: Article

References (12)

1. Blok B.F.M., Holstege G. Direct projection from the periaqueductal gray to the pontine micturition center (M-region) in the cat. Neurosci. Lett. 166:1994;93-96.
2. De Groat W.C. Spinal cord projections and neuropeptides in visceral afferent neurons. Prog. Brain Res. 67:1986;165-187.
3. Ding Y.-Q., Takada M., Tokuno H., Mizuno N. Direct projection from the dorsolateral pontine tegmentum to pudendal motoneurons innervating the external urethral sphincter muscle in the rat. J. Comp. Neurol. 357:1996;318-330.
4. Ding Y.-Q., Zheng H.-X., Gong L.-W., Lü Y., Zhao H., Qin B.-Z. Direct projections from the lumbosacral spinal cord to Barrington's nucleus in the rat: a special reference to micturition reflex. J. Comp. Neurol. 387:1997;149-160.
5. Gu Y., Chen Y., Ye L. Electron microscopical demonstration of horseradish peroxidase by use of tetramethylbenzidine as chromogen and sodium tungstate as stabilizer (TMB-ST method): a tracing method with high sensitivity and well preserved ultrastructural tissue. J. Neurosci. Methods. 42:1992;1-10.
6. Nadehhaft I., Booth A.M. The location and morphology of preganglionic neurons and the distribution of visceral afferents from the rat pelvic nerve: a horseradish peroxidase study. J. Comp. Neurol. 226:1984;238-245.
7. Noto H., Roppolo J.R., Steers W.D., De Groat W.C. Excitatory and inhibitory influences on bladder activity elicited by electrical stimulation in the pontine micturition center in the rat. Brain Res. 492:1989;99-115.
8. Noto H., Roppolo J.R., Steers W.D., De Groat W.C. Electrophysiological analysis of the ascending and descending components of the micturition reflex pathway in the rat. Brain Res. 549:1991;95-105.
9. Otake K., Nakamura Y. Single neurons in Barrington's nucleus projecting to both the paraventricular thalamic nucleus and the spinal cord by way of axon collaterals: a double labeling study in the rat. Neurosci. Lett. 209:1996;97-100.
10. Rizvi T.A., Ennis M., Aston-Jones G., Jiang M., Liu W.-L., Behbehani M.M., Shipley M.T. Preoptic projection to Barrington's nucleus and the pericoerulear region: architecture and terminal organization. J. Comp. Neurol. 347:1994;1-24.
11. Valentino R.J., Page M.E., Luppi P.-H., Zhu Y., Van Bockstaele E., Aston-Jones G. Evidence for widespread afferents to Barrington's nucleus, a brainstem region rich in cortitotropin-releasing hormone neurons. Neuroscience. 62:1994;125-143.
12. Valentino R.J., Pavcovich L.A., Hirata H. Evidence for corticotropin-releasing hormone projections from the Barrington's nucleus to the periaqueductal gray and dorsal motor nucleus of the vagus in the rat. J. Comp. Neurol. 363:1995;402-422.