LOCALIZATION OF 5-HYDROXYTRYPTAMINE-LIKE IMMUNOREACTIVE CELLS AND NERVE-FIBERS IN THE RAT FEMALE REPRODUCTIVE-SYSTEM

被引:46
作者
AMENTA, F
VEGA, JA
RICCI, A
COLLIER, WL
机构
[1] UNIV OVIEDO,DEPT MORFOL & BIOL CELULAR,E-33006 OVIEDO,SPAIN
[2] UNIV LA SAPIENZA,DIPARTIMENTO SCI CARDIOVASC & RESP,I-00161 ROME,ITALY
[3] MANATEE COMMUNITY COLL,DEPT SCI,VENICE,FL 34292
来源
ANATOMICAL RECORD | 1992年 / 233卷 / 03期
关键词
D O I
10.1002/ar.1092330315
中图分类号
R602 [外科病理学、解剖学]; R32 [人体形态学];
学科分类号
100101 ;
摘要
The presence of 5-hydroxytryptamine (5-HT)-like immunoreactivity (IR) was studied in the rat female reproductive system using polyclonal antibodies directed against 5-HT. Moreover, 5-HT levels in the ovary, oviduct, uterus, and cervix were measured by high-pressure liquid chromatography with electrochemical detection. The highest 5-HT concentrations were found in the oviduct, followed in descending order by the cervix, the ovary, and the uterus. Most 5-HT-like IR was observed in the cytoplasm of mast cells. These cells were found in the connective tissue around the fimbria, in the oviduct, in the uterus, and in the ovary. Mast cells are clustered in the proximity of the parenchymal blood vessels. Moreover, a few 5-HT-like nerve fibers were found distributed mainly perivascularily in the uterine cervix and in the uterine horns as well as in the oviduct. IR nerve fibers were rarely seen within the ovary. The present data provide direct evidence that 5-HT in the female reproductive system not only is associated with mast cells but is located in nerve fibre-like structures as well. The functional significance of this probable 5-HT-ergic innervation of the female reproductive tract discovered in the present study should be clarified in future investigations.
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页码:478 / 484
页数:7
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