DIFFERENCES BETWEEN ADRENOMEDULLARY ADRENALINE AND NORADRENALINE CELLS - QUANTITATIVE ELECTRON-MICROSCOPIC EVALUATION OF THEIR DIFFERENTIAL CELLULAR-ASSOCIATION WITH SUPPORTING CELLS

被引:10
作者
KACHI, T [1 ]
SUZUKI, T [1 ]
TAKAHASHI, G [1 ]
QUAY, WB [1 ]
机构
[1] BIORES LAB, NEW BLOOMFIELD, MO 65063 USA
关键词
ADRENAL MEDULLA; ADRENALINE CELL; NORADRENALINE CELL; SUPPORTING CELL; CELL-ASSOCIATION PATTERN; CYTOLOGICAL DIFFERENCES; QUANTITATIVE ELECTRON MICROSCOPY; RAT (HOLTZMAN);
D O I
10.1007/BF00318611
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Quantitative differences in cellular association of adrenomedullary chromaffin cells with other types of cells, mainly supporting cells, were studied. Adrenaline (A) and noradrenaline (NA) cells were compared. Electron micrographs (12000 x ) of profiles of A and NA cells, bordering against other types of cells, were used for quantitative evaluation. Supporting cells constituted the majority of the non-chromaffin cell types. Occurrence frequencies of chromaffin cells contiguous with other types of cells were: (1) higher for A cells (68.9%, 199/289) than for NA cells (11.0%, 34/309) in case of small contact regions (chi2 -test: P<0.001), and (2) higher for NA cells (68.3%, 211/309) than for A cells (9.7%, 28/289) in case of extended contact regions (P<0.001). In conclusion, the extent of cellular association with supporting cells was remarkably lower in A cells than in NA cells. Such an arrangement is likely to be appropriate for the extensive, homogeneous control and amplified response characteristic of A cells, and for the close range, complex control and more diverse responses characteristic of NA cells.
引用
收藏
页码:257 / 261
页数:5
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