Isbn: 9783540210399 - the development of the perineum in the human: a comprehensive histological study with a special reference to the role of the stromal components ... embryology and cell biology, 177, band 177) (12 Ergebnisse)

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Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - For over a century, the development of the perineum has received ample attention because of the striking complexity of its formation and malformation. In the prolonged disputes at this subject, normal and abnormal development became intricately interwoven and ideas about the normal process were often directed by the anomalies.The unexpected results from an investigation into hereditary congenital anorectal malformations of pig embryos demonstrated the weakness of such interpretations and constructions and underlined the need for a new inquiry into the normal development of the area in human embryos. They showed that although data from malformations may offer extra information about the normal development of the area, great care has to be taken in using that information for the reconstruction of its normal development which should be based first and foremost on the observation of the evolving microscopic anatomy of the region.To avoid the inconsistencies caused by fragmented research in the past, such an investigation should comprise the whole structure of the region from its incipience to birth. The present study offers such a survey. It contradicts current opinion on major developmental events and gives new insights into the origin of the urinary bladder, the subdivision of the cloaca, the transformation of the cloacal mantle into the erectile, fascial and muscular structures of the female and male perineum, and also corrects existing ideas about the formation of the vagina, urethra and vestibulum in the female and the urethra, penis and scrotum in the male. These new findings will be indispensable in unravelling the pathogenesis of challenging perineal malformations. (not yet copy edited, March 16,2004).…

Paperback. Zustand: Brand New. 1st edition. 131 pages. German language. 9.00x6.00x0.25 inches. In Stock.

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Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -For over a century, the development of the perineum has received ample attention because of the striking complexity of its formation and malformation. In the prolonged disputes at this subject, normal and abnormal development became intricately interwoven and ideas about the normal process were often directed by the anomalies.The unexpected results from an investigation into hereditary congenital anorectal malformations of pig embryos demonstrated the weakness of such interpretations and constructions and underlined the need for a new inquiry into the normal development of the area in human embryos. They showed that although data from malformations may offer extra information about the normal development of the area, great care has to be taken in using that information for the reconstruction of its normal development which should be based first and foremost on the observation of the evolving microscopic anatomy of the region.To avoid the inconsistencies caused by fragmented research in the past, such an investigation should comprise the whole structure of the region from its incipience to birth. The present study offers such a survey. It contradicts current opinion on major developmental events and gives new insights into the origin of the urinary bladder, the subdivision of the cloaca, the transformation of the cloacal mantle into the erectile, fascial and muscular structures of the female and male perineum, and also corrects existing ideas about the formation of the vagina, urethra and vestibulum in the female and the urethra, penis and scrotum in the male. These new findings will be indispensable in unravelling the pathogenesis of challenging perineal malformations. (not yet copy edited, March 16,2004) 148 pp. Englisch.…

Kartoniert / Broschiert. Zustand: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. 1 Introduction.- 2 Materials and Methods.- 3 Development of the Sexually Indifferent Perineum.- 3.1 Introduction.- 3.2 Observations.- 3.2.1 Pre-cloacal perineum.- 3.2.2 Cloacal perineum.- 3.2.3 Post-cloacal perineum.- 3.3 Discussion.- 3.3.1 Cloacal e. …

Zustand: New. Print on Demand pp. 148 Illus.

Taschenbuch. Zustand: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Part 1: Introduction.- Part 2: Materials and Methods.- Part 3: Development of the Sexually Indifferent Perineum; Introduction; Observations, Pre-cloacal Perineum; Cloacal Perineum; Post-cloacal Perineum; Discussion; Cloacal Eminence; Cloaca and Allantois; Partition of the Mesonephric Ducts and Ureters; Division of the Cloaca; Urogenital Sinus; Anal Canal; Perineal Striated Musculature; Vascular System; Labioscrotal Swellings.- Part 4: Development of the Female Perineum; Introduction; Observations; Vagina; Transformation of the Urogenital Sinus into the Urethra and Vestibulum; Urethra; Vestibulum; Erectile Structures; Fascial Structures; Labia Majora; Anal Canal; Perineal Striated Musculature; External Perineum; Discussion; Vagina; Transformation of the Urogenital Sinus into the Urethra and Vestibulum; Urethra; Vestibulum; Labia Majora; Anal Canal; External Perineum.- Part 5: Development of the Male Perineum; Introduction; Observations; Urethra; Erectile Structures; Fascial Tissues; Perineal Septum; Penis, Prepuce, Preputial Sac and Frenulum; Scrotum; Anal Canal; Perineal Striated Musculature; External Perineum; Discussion; Urethra; Erectile Structures; Perineal Raphe, Septum, Body and Fasciae; Penis, Prepuce, Preputial Sac and Frenulum; Scrotum.- Part 6: Summary.- References.- Index.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 148 pp. Englisch. …

Zustand: New. PRINT ON DEMAND pp. 148.