The testicular descent (descensus testis) is described in a complete series of human material from stage 14 CC to the adult state by using own phases. Central points of interest in this work are answers to questions which have been discussed controversially by generations of scientists and which are wrong or inadequately documented in most textbooks of embryology: Does an inner gonadal descent exist? What about origin, role and fate of gubernaculum H., processus vaginalis peritonei and gonadal ligaments? How do the annexes of testis come into their final position? The results are based on serial sections, scanning electron microscopy, three-dimensional reconstructions, microdissection and immunohistochemistry.
Showing posts with label Development. Show all posts
Showing posts with label Development. Show all posts
Tuesday, February 15, 2011
The Testicular Descent in Human: Origin, Development and Fate of the Gubernaculum Hunteri, Processus Vaginalis Peritonei, and Gonadal Ligaments
The testicular descent (descensus testis) is described in a complete series of human material from stage 14 CC to the adult state by using own phases. Central points of interest in this work are answers to questions which have been discussed controversially by generations of scientists and which are wrong or inadequately documented in most textbooks of embryology: Does an inner gonadal descent exist? What about origin, role and fate of gubernaculum H., processus vaginalis peritonei and gonadal ligaments? How do the annexes of testis come into their final position? The results are based on serial sections, scanning electron microscopy, three-dimensional reconstructions, microdissection and immunohistochemistry.
Monday, October 25, 2010
Serosal Membranes (Pleura, Pericardium, Peritoneum): Normal Structure, Development and Experimental Pathology (Advances in Anatomy, Embryology and Cell Biology)
The coelomic cavities are covered with serosal membranes: peritoneum, pleura, pericardium and tunica vaginalis testis. The present review compiles data, on their normal structure, development and involvement in pathologic processes. The authors add also results on the ultrastructure of the parietal pleura, peritoneum and pericardium and visceral sheets of the different organs as well in transitional areas between them in man and experimental animals (rat, cat, rabbit, guinea pig, mouse, ground squirrel). By transmission and scanning electron microscopy they distinguish three basic types of relief on both serosal sheets, organs and their different regions. The authors provide a comprehensive description of the main components of the SM involving: mesothelium, an underlying basal lamina and submesothelial connective tissue layer.
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