THERE ARE FEW CATECHOLAMINE-CONTAINING OR NEUROPEPTIDE-Y-CONTAINING SYNAPSES IN THE INTERMEDIOLATERAL CELL COLUMN OF RAT THORACIC SPINAL-CORD

被引：16

作者：

LLEWELLYNSMITH, IJ

MINSON, JB

PILOWSKY, PM

CHALMERS, JP

机构：

[1] FLINDERS UNIV,SCH MED,CTR NEUROSCI,BEDFORD PK,SA 5042,AUSTRALIA

[2] FLINDERS UNIV,SCH MED,DEPT MED,BEDFORD PK,SA 5042,AUSTRALIA

来源：

CLINICAL AND EXPERIMENTAL PHARMACOLOGY AND PHYSIOLOGY | 1991年 / 18卷 / 02期

关键词：

IMMUNOCYTOCHEMISTRY; NEUROPEPTIDE-Y; PHENYLETHANOLAMINE N-METHYLTRANSFERASE; SYMPATHETIC PREGANGLIONIC NEURONS; TYROSINE HYDROXYLASE; ULTRASTRUCTURE;

D O I：

10.1111/j.1440-1681.1991.tb01418.x

中图分类号：

R9 [药学];

学科分类号：

1007 ;

摘要：

1. A quantitative electron microscopic immunocytochemical technique was used to assess the number of synapses immunoreactive for tyrosine hydroxylase (TH), phenylethanolamine N-methyl-transferase (PNMT) and neuropeptide Y (NPY) in the intermediolateral cell column in segments T2 and T3 of rat thoracic spinal cord. 2. TH synapses comprised about 5%; PNMT synapses 1-2%; and NPY synapses 1-2% of the total number of synapses in the intermediolateral cell column. All three types of synapses were predominantly or exclusively on dendrites. 3. Our results suggest that catecholamine/NPY neurons may not provide a major synaptic input to sympathetic preganglionic neurons in rat upper thoracic spinal cord.

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页码：111 / 115

页数：5

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