Book - Manual of Human Embryology 19

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Felix W. The development of the urinogenital organs. In Keibel F. and Mall FP. Manual of Human Embryology II. (1912) J. B. Lippincott Company, Philadelphia. pp 752-979.

XIX Development of the Urinogenital Organs: Excretory Glands and their Ducts | Reproductive Glands and their Duct | Urogenital Union | External Genitalia | Figures | Literature
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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)

Cite this page: Hill, M.A. (2023, November 29) Embryology Book - Manual of Human Embryology 19. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Book_-_Manual_of_Human_Embryology_19

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© Dr Mark Hill 2023, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G


XIX. The Development of the Urinogenital Organs

By W Felix, Zurich.

The urinary and reproductive organs, notwithstanding their diverse functions, have been regarded in systematic anatomy and in embryology as constituting a single system, an arrangement which is undoubtedly correct for two reasons. In the first place both groups of organs open into the enlarged caudal portion of the digestive tract, the cloaca; by a subdivision of this cloaca into a ventral portion, which furnishes the anlage for the urinary bladder, the urethra and the urogenital sinus, and a dorsal portion, the rectum, the digestive tract becomes completely and permanently separated from the urinogenital organs, but, on the other hand, these remain connected by the urogenital sinus. In the second place one of the urinary organs, the mesonephros, unites with the reproductive gland and, giving up its provisional function of manufacturing and excreting urine, enters permanently into the service of the reproductive apparatus as the male efferent duct. The urinary and reproductive organs consequently form an inseparable whole in the adult organism.


The study of the development of the urinogenital apparatus divides itself into four portions. These are: (1) the development of the excretory glands and their ducts; (2) the development of the reproductive glands and their efferent ducts; (3) the development of the urogenital union, i.e., the union between the urinary and reproductive glands; and (4) the development of the sinus urogenitalis and in connection with this the development of the external genitalia.


That it has been possible to base tbis entire chapter on my own observations, I am indebted to the generous assistance of colleagues who have unselfishly placed at my disposal series of sections from their private collections and from institute collections. In this connection I desire to thank Professor Grosser, Geheimrath Professor R. Hertwig, the late Geheimrath Professor His, Professor Hochstetter, Professor Keibel, Professor R. Meyer, the late Geheimrath Professor Pfannenstiel, Professor Stoerk. and the late Hofrath Professor Zuckerkandl. My colleague, Rob. Meyer, in addition to placing at my disposal over sixty series of sections, has given me the benefit of his rich experience. To my colleagues Dr. Baltischwiler, the late Professor U. Kronlein, Professor Wyder and Professor 0. Wyss I am indebted for fresh material and would also express to them my sincere thanks.

The Development of the Urinogenital Organs

  1. The Development of the Excretory Glands and their Ducts
    1. Introduction
    2. Differentiation of the Mesoderm
    3. The Development of the Pronephros
    4. The Urogenital Fold
    5. The Mesonephros
    6. The Development of the Metanephros
    7. The Development of the Ureter, the Primitive Renal Pelvis, and the System of Collecting Tubules
    8. The Metanephrogenic Tissue during the Development of the Collecting Tubules
    9. The Development of the Uriniferous Tubules from the Metanephrogenic Tissue
    10. The Definitive Renal Pelvis and the Reduction of the Collecting Tubules
    11. The Formation of Cortex and Medulla — Medullary- Rays — Papilla
    12. Relation between the Right and Left Kidney
    13. Change of Position of the Kidney
    14. Vessels of the Kidney
    15. Capsule of the Kidney
    16. Later Development of the Ureter
    17. Malformations of the Kidney
    18. The Phylogenetic Development of the Metanephros
    19. The Function of the Mesonephros
    20. Cloaca, Bladder, Urethra, and Urogenital Sinus
    21. The Separation of the Bladder and the Urethra
    22. Later Development of the Bladder
  2. The Development of the Reproductive Glands and their Duct
    1. Introduction
    2. The Genital Cells
    3. Development of the Indifferent Reproductive Glands
    4. The Differentiation of the Reproductive Glands
    5. Transformation of the Indifferent Reproductive Gland into the Testis
    6. Malformations of the Testis
    7. Transformation of the Reproductive Gland into the Ovary
    8. Malformations of the Ovary
    9. Development of the Blood-vessels of Both Reproductive Glands
    10. Comparison of Testis and Ovary
    11. Development of the Female Ducts
    12. Formation of the Utero- vaginal Canal
    13. Formation of the Wall of the Utero-vaginal Canal
    14. Development of the External Form of the Female Uterus
    15. Development of the External Form of the Male Uterus
    16. Formation of the Definite Wall of the Tubes
    17. Transformation of the Tubar Portion of the Uterus and of the Utero-vaginal Canal into the Uterus and Vagina
    18. Development of the Vagina
    19. Development of the Uterine Wall
    20. Development of the Musculature of the Vagina and Uterus
    21. Growth of the Uterus in the Postfetal Period
    22. Degeneration of the Tube and Utero-vaginal Canal in the Male Embryo
    23. Inhibitions of the Development of the Uterus and Vagina
  3. The Urogenital Union
    1. The Further Differentiation in the Male Sex
    2. Degeneration of the Urogenital Union and of the Primary Excretory Duct in the Female
    3. The Ligaments of the Reproductive Glands
    4. Development of the Ligamentum Ovarii Proprium, the Ligamentum Uteri Rotundum, and the Chorda Gubernaculi
  4. Development of the External Genitalia
    1. The Indifferent Phallus
    2. Sexual Differentiation Development of the Penis and Scrotum
    3. Development of the Clitoris and of the Labia Majora and Minora
    4. Homologies of the Male and Female External Genitalia
    5. Further Development of the Urogenital Sinus
    6. Malformations of the Urogenital Sinus
    7. Glands of the Urogenital Sinus
    8. Development of the Bulbo-Urethral (Cowper's) and the Vestibular (Bartholin's) Glands
    9. Development of the Small Sinus Glands
    10. Descensus Testiculorum
    11. Formation of the Saecus Vaginalis
    12. Diagrammatic Representation of the Fate of the Mesonephros, Primary Excretory Duct, and Miillerian Duct in both Sexes

Literature



   Manual of Human Embryology II 1912: Nervous System | Chromaffin Organs and Suprarenal Bodies | Sense-Organs | Digestive Tract and Respiration | Vascular System | Urinogenital Organs | Figures 2 | Manual of Human Embryology 1 | Figures 1 | Manual of Human Embryology 2 | Figures 2 | Franz Keibel | Franklin Mall | Embryology History


   Manual of Human Embryology I 1910: The Germ Cells | Fertilization | Segmentation | First Primitive Segment | Gastrulation | External Form | Placenta | Human Embryo and Fetus Age | Ovum Pathology | Integument | Skeleton and Connective Tissues | Muscular System | Coelom and Diaphragm | Figures | Manual of Human Embryology 1 | Manual of Human Embryology 2 | Franz Keibel | Franklin Mall | Embryology History
Historic Disclaimer - information about historic embryology pages 
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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)


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Cite this page: Hill, M.A. (2023, November 29) Embryology Book - Manual of Human Embryology 19. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Book_-_Manual_of_Human_Embryology_19

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© Dr Mark Hill 2023, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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