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The Establishment of Spermatogenesis in the Seminiferous : Epithelium of the Pubertal Golden Hamster (Mesocricetus Auratus) : Advances in Anatomy, Embryology and Cell Biology - Andreas Miething

The Establishment of Spermatogenesis in the Seminiferous : Epithelium of the Pubertal Golden Hamster (Mesocricetus Auratus)

Advances in Anatomy, Embryology and Cell Biology

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During pubertal development of the testes, germ cells pass initially through the complete succession of spermatogenic differentiation. Using the golden hamster as a model, this volume presents a comprehensive analysis of that establishing period of mammalian spermatogenesis. Detailed morphological and cell kinetic data of the pubertal seminiferous epithelium reveal a level of cellular organization and synchronization coming near to the adult situation. Characteristic, temporarily occurring perturbations of spermatogenic progression are related to specific delays of Sertoli or Leydig cell maturation, respectively. These results emphasize and specify the close structural and functional interdependence of germ and somatic cell development.

Introductionp. 1
Fetal and Prepubertal Development of the Testisp. 1
Adult Spermatogenesisp. 3
Pubertal Establishment of Spermatogenesisp. 7
Material and Methodsp. 9
Animalsp. 9
Histologyp. 9
Immunohistochemistryp. 10
Enzyme Histochemistryp. 10
Resultsp. 13
Adult Seminiferous Epitheliump. 13
Developmental Steps of the Pubertal Seminiferous Epitheliump. 13
Developmental Delay of Spermiogenesisp. 34
11[beta]-Hydroxysteroid Dehydrogenase in Pubertal Leydig Cellsp. 35
Formation of the Sertoli Cell Barrierp. 40
Degeneration of Germ Cellsp. 46
Clonal Mode of Germ Cell Proliferationp. 57
Proliferative Activity of the Adult Seminiferous Epitheliump. 58
Proliferative Activity of the Pubertal Seminiferous Epitheliump. 59
Discussionp. 65
Considerations on the Species and on Methodical Proceduresp. 65
Developmental Dynamics of the Seminiferous Epitheliump. 66
Germ Cell Developmentp. 66
Germ Cell Proliferationp. 70
Delayed Spermatid Maturation and 11[beta]-Hydroxysteroid Dehydrogenase Activity in Leydig Cellsp. 71
Degenerative Phenomena of the Pubertal Seminiferous Epitheliump. 74
Maturation of Sertoli Cells and Germ Cell Developmentp. 76
Conclusionsp. 78
Summaryp. 81
Referencesp. 83
Subject Indexp. 93
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9783540636557
ISBN-10: 3540636552
Series: Advances in Anatomy, Embryology and Cell Biology
Audience: General
Format: Paperback
Language: English
Number Of Pages: 95
Publisher: Springer-Verlag Berlin and Heidelberg Gmbh & Co. Kg
Country of Publication: DE
Dimensions (cm): 23.39 x 15.6  x 0.56
Weight (kg): 0.16