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类固醇分泌部位的线粒体结构

Mitochondrial structure in sites of steroid secretion.

作者信息

BELT W D, PEASE D C

出版信息

J Biophys Biochem Cytol. 1956 Jul 25;2(4 Suppl):369-74.

Abstract
  1. Mitochondria of the adrenal gland, corpus luteum, theca interna and granulosa of the graafian follicle, interstitial cells of the testis, and placenta of the rat have been studied with the electron microscope. 2. In most sites of steroid secretion, the internal structure of the mitochondria is in the form of tubular reflections of the internal mitochondrial membrane, rather than plate-like cristae. 3. The mitochondria of the adrenal gland have a highly variable size, even within a single cell; they may reach 2 to 3 micro in diameter, and are nearly filled with tubules. 4. It is suggested that while mitochondria in many places have a tubular component, those in the adrenal gland are highly specialized by virtue of their giant size and their internal structure.
摘要
  1. 已用电子显微镜对大鼠肾上腺、黄体、格拉夫卵泡的内膜和颗粒细胞、睾丸间质细胞及胎盘的线粒体进行了研究。2. 在大多数类固醇分泌部位,线粒体的内部结构呈线粒体内膜的管状褶皱形式,而非板状嵴。3. 肾上腺的线粒体大小变化很大,即使在单个细胞内也是如此;其直径可达2至3微米,几乎充满了小管。4. 有人提出,虽然许多部位的线粒体都有管状成分,但肾上腺中的线粒体因其巨大的尺寸和内部结构而高度特化。

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