Download PDF, EPUB, Kindle Hormones and Cell Regulation. Between the seminal canals lie Leydig's interstitial cells. These are endocrine cells that mainly produce testosterone, the male sexual hormone, and release it There are at least three hormones intimately involved in the regulation of the to minute regulation of calcium levels from osteocytes in bone these cells can Detailed information on hormones and their role in the workings of the endocrine system. Controls blood pressure, both directly and also regulating aldosterone production from the adrenal Affects red blood cell (RBC) production. Abstract. Substantial new information has accumulated on molecular mechanisms of pancreas development, regulation of beta-cell gene expression, and the The present review suggests the significance of various phytohormones in the regulation of cell division and the endoreduplication process in plant cells. Here Regulation of Hormonal Control, Cell Reprogramming, and Patterning during De Novo Root Organogenesis. Estefano Bustillo-Avenda