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Titolo:
Quantitative analysis of the dendrites of sacral preganglionic neurons in the cat
Autore:
Morgan, CW; Ohara, PT;
Indirizzi:
Eastern Virginia Med Sch, Dept Pathol & Anat, Norfolk, VA 23501 USA Eastern Virginia Med Sch Norfolk VA USA 23501 Anat, Norfolk, VA 23501 USA Univ Calif San Francisco, Dept Anat, WM Keck Fdn Ctr Integrat Neurosci, San Francisco, CA 94143 USA Univ Calif San Francisco San Francisco CA USA 94143 ancisco, CA 94143 USA
Titolo Testata:
JOURNAL OF COMPARATIVE NEUROLOGY
fascicolo: 1, volume: 437, anno: 2001,
pagine: 56 - 69
SICI:
0021-9967(20010813)437:1<56:QAOTDO>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
THALAMOCORTICAL PROJECTION NEURONS; HORSERADISH-PEROXIDASE; SPINAL-CORD; PARASYMPATHETIC NUCLEUS; AFFERENT NEURONS; ALPHA-MOTONEURONS; URINARY-BLADDER; INTRACELLULAR INJECTION; INTRAVESICAL CAPSAICIN; GAMMA-MOTONEURONS;
Keywords:
bladder; parasympathetic; spinal cord;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
41
Recensione:
Indirizzi per estratti:
Indirizzo: Morgan, CW Eastern Virginia Med Sch, Dept Pathol & Anat, 700 Olney Rd, Norfolk, VA 23501 USA Eastern Virginia Med Sch 700 Olney Rd Norfolk VA USA 23501 USA
Citazione:
C.W. Morgan e P.T. Ohara, "Quantitative analysis of the dendrites of sacral preganglionic neurons in the cat", J COMP NEUR, 437(1), 2001, pp. 56-69

Abstract

Quantitative analyses were performed on the dendrites and somata of 25 electrophysiologically identified preganglionic neurons (PGN) obtained front the sacral spinal cord of the cat by intracellular injection of Neurobiotin or horseradish peroxidase. Total dendritic length and surface area were measured for each dendrite. The sizes of the stein dendrites measured at theirbase were positively correlated with the sizes of the entire tree and numbers of end branches. Total surface area of somata and dendrites averaged 39,138 mum(2); 90.7% of that was from the dendrites. To obtain measurements of the relative contributions of PGN dendrites to specific regions of the spinal cord, the percentage of each dendrite occupying eight spinal cord regions was recorded. Sixty-three percent of the dendrites projected dorsal to their somata, whereas an average of 33.3% of dendrites were located in the white matter, most of them in the lateral and dorsolateral funiculi. The neurons within this sample formed a continuum with some neurons having a large percentage of dendrites in lamina I but little in the white matter, whereas at the other end of the continuum were cells with the reverse configuration. The intermediate neurons had dendrites in both locations. Taken together, these data indicate a heterogeneous population of PGN in the lateral band of the sacral parasympathetic nucleus. (C) 2001 Wiley-Liss, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/09/20 alle ore 17:40:49