We found that some secretroy granules of ACTH cell, protruded to the cell surface, and that gold-labelled secretory granules occasionly appeared in the intercellular space. The finding indicate that there are other secretory ways besides exocytosis.

• 发现促肾上腺皮质激素(ACTH)细胞内分泌颗粒向细胞表面突起；并可见细胞间隙内完整的金标记的内分泌颗粒；实验结果表明；ACTH细胞除传统认为的胞吐分泌外还有其它分泌方式.