By Stephen J. Winters, Ilpo T. Huhtaniemi
This lucid interpretation of the newest clinical info on male reproductive endocrinology offers a radical knowing of the pathophysiology, scientific features, and coverings for issues that adversely impact testicular functionality. The authors specialize in the explicit reasons of gonadotropin deficiency and testicular failure coming up from issues of the mind and the testis and from gene defects and protracted disorder. extra chapters describe the endocrine mechanism for the decline of testicular functionality with getting older, summarize the information assisting the unfavorable effect of environmental pollution on testicular functionality, and talk about the testicular results of workout and weight problems.
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The neonatal period is relatively brief, extending only through the first year of life (28,29). After the first year and continuing for a decade, Leydig cells are in a state of prepubertal quiescence. During this phase, well-differentiated Leydig cells are absent from the interstitial space. In their place are partially differentiated Leydig cells and primitive fibroblastic cells. At this stage, Leydig cells are dispersed in a loose connective tissue matrix and contain elongated nuclei with scarcely visible cytoplasm.