Last edited by Kazrak
Saturday, July 11, 2020 | History

5 edition of Development of the Genital System and the Male Pseudohermaphroditism found in the catalog.

Development of the Genital System and the Male Pseudohermaphroditism

by Jan Evangelista Jirasek

  • 389 Want to read
  • 28 Currently reading

Published by The Johns Hopkins University Press .
Written in English

    Subjects:
  • Education & Training,
  • General,
  • Urology,
  • Medical / Education & Training,
  • Hermaphroditism,
  • Medical / Nursing

  • The Physical Object
    FormatHardcover
    Number of Pages150
    ID Numbers
    Open LibraryOL7869278M
    ISBN 100801811813
    ISBN 109780801811814

    GENITAL DEVELOPMENT. By. Rita Rosita Sub Topics Introduction Germ cells Gonads Genital Ducts External Genitalia Congenital Malformation Descensus testiculorum Introduction Sex differentiation is a complex process The key to sexual dimorphism is the Y chromosome SRY (sex- determining region on Y) on its short arm (Yp11) Product of SRY gene transcription factor initiating a cascade of downstream. Disorders of sex development (DSDs), also known as differences in sex development, diverse sex development and variations in sex characteristics (VSC), are medical conditions involving the reproductive specifically, these terms refer to "congenital conditions in which development of chromosomal, gonadal, or anatomical sex is atypical.".

    Development of male phenotype requires. Y chromosome genital system in indifferent state 2 pairs of genital ducts present: - mesonephric (Wolffian) another cause of male pseudohermaphroditism defect in SRY gene --> no TDF. 46, XX intersex (female pseudohermaphroditism). Disorders of sex development (DSDs) are congenital conditions in which the development of chromosomal, gonadal, or anatomic sex is atypical. DSDs can be classified broadly into four categories on the basis of gonadal histologic features: female pseudohermaphroditism (46,XX with two ovaries); male pseudohermaphroditism (46,XY with two testes); true hermaphroditism (ovotesticular DSD) .

    The second aspect of internal male differentiation is the integration of Wolffian ducts in the genital system and their subsequent development into epididymes, vasa deferentia, and seminal vesicles. Male orientation of the urogenital sinus is characterized by prostatic development and the repression of vaginal development (Fig. 2). The early experiences related to development of human gonads, genital ducts and external genitalia were summarized in my small monograph Development of the Genital System and Male Pseudohermaphroditism (). In this book, I defined genital and extra genital primordial germ cells differentiation of testicular cords.


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Development of the Genital System and the Male Pseudohermaphroditism by Jan Evangelista Jirasek Download PDF EPUB FB2

Hongling Du, Hugh S. Taylor, in Principles of Developmental Genetics (Second Edition), Male Pseudohermaphroditism. Male pseudohermaphroditism refers to a condition that affe XY individuals with differentiated testes who exhibit varying degrees of feminization.

In cases of male pseudohermaphroditism, there is a spectrum of external genitalia; some individuals are completely. Additional Physical Format: Online version: Jirásek, Jan E. (Jan Evangelista). Development of the genital system and male pseudohermaphroditism.

Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (K), or click on a page image below to browse page by : David B. Melchinger. The first 42 pages are devoted to normal development of the genital system beginning with embryos in the presomite stage in which germ cells are discernible in the yolk sac.

The emigration of the germ cells is traced to the genital ridge and the early development of the testes is described in detail with convincing : S. Kaplan. Female genital system is illustrated in (fig.

1 & 2). The embryological picture: 1- The outer ectodermal covering of the embryo swells at the region of the future. Hongling Du, Hugh S. Taylor, in Principles of Developmental Genetics (Second Edition), Female Pseudohermaphroditism.

Female pseudohermaphroditism is characterized by male or ambiguous genitalia coupled with a female karyotype (46, XX). The XX male syndrome is a heterogeneous disorder.

The presence of the sry gene transposed with the X chromosome leads to male differentiation. Book reviewed in this article Development of the Genital System and Male Pseudohermaphroditism.

By Jan E. Jirasěk. Edited M. Michael Cohen, Jr. Steroids in Human Skin. By M. Julesz, I. Faredin and. Inthe SRY gene was cloned from a region closely linked to ZFY, and it has been confirmed as the TDF needed from the Y chromosome to establish male development (Figure ; Koopman et al.,Sinclair et al., ).

SRY/Sry is a small intronless gene that encodes a protein with a conserved DNA-binding high mobility group (HMG) is a member of a large family of. Ovotestes formation ‐medulla and cortex development Male pseudohermaphroditism‐46,XY External genitalia and ducts are intersex Inadequate testosterone or abnormal AMH production Female pseudohermaphroditism ‐46,XX Overproduction of androgens Masculinization of genitalia ‐clitoral hypertrophy Androgen insensitivity syndrome.

Development of Genital Ducts • During the fifth and sixth weeks, the genital system is an indifferent state, and two pairs of genital ducts are present: • The mesonephric ducts (Wolffian ducts) play an important part in the development of the male reproductive system and • The paramesonephric ducts (müllerian ducts) have a leading role.

DEVELOPMENT OF MALE GENITAL SYSTEM Dr. Mohammed Mahmoud Mosaed Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.

If you continue browsing the site, you agree to the use of cookies on this website. Male Pseudohermaphroditism. Male pseudohermaphrodites with poor penile development who have testosterone biosynthetic defects or androgen resistance are usually assigned to the female gender. However, for those with 5α-reductase or 17β-hydroxysteroid reductase deficiency, it may not be appropriate to assign a gender at birth.

Jirasek pment of the genital system and male pseudohermaphroditism Cohen M.M. (Ed.), The Johns Hopkins Press, Baltimore and London () Google Scholar. A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.

Development of the Genital System and Male Pseudohermaphroditism. (PMCID:PMC) Full Text Citations ; BioEntities ; Related Articles ; External Links ; Yale J Biol Med.

April; 46(2): – PMCID: PMC Development of the Genital System and Male Pseudohermaphroditism. male pseudohermaphroditism Insufficient androgen production and AMH from testes (hypogonadism) External and internal genitalia female (due to absence of testosterone and AMH) but they do have testes in.

male pseudohermaphroditism (46, XY) karyotype, due to inadequate production of testosterone and MIF (mullerian inhibiting factor) Development of Genital System. 40 terms. Reproductive Physiology: Development of the Reproductive Tract (Test 2) OTHER SETS BY THIS CREATOR.

Ambiguous genitalia constitute a rare phenotypic presentation of the urogenital system that can signal an underlying life threatening disorder. Thus, it is imperative to determine the etiology as quickly as possible when ambiguity is noted.

The formation of typical male or female external genitalia results from a number of genetic and physiological events starting with sex determination and. Pseudohermaphroditism in males. The health history will include your health during pregnancy and a family history of any neonatal deaths or genital abnormalities.

The provider will also do a physical exam of your child's external genitalia. Evaluation of gene on the Y chromosome that starts development of the male sex organs. Testosterone's role in development of male reproductive system this promotes the development of the male genital ducts (mesonephric duct and mesonephric tubules --> efferent ductules, epididymis, ductus deferens, seminal vesicle, ejaculatory duct).

1. Development and congenital anomalies of urogenital system Moderator: Dr. (Mrs) Nabanita Deka Asst.

Professor Presenter: Dr. Jayeta Choudhury Department of Radiology Gauhati Medical College 2. Functionally, the urogenital system can be divided into two entirely different components: the urinary system and the genital system.One example of male pseudohermaphroditism is androgen insensitivity syndrome (AIS/testicular feminization), which occurs in about 1/20, births.

In this syndrome, there is a defect in the androgen receptor or a problem with the recognition of the androgen-receptor complex within the target cells.Moreover, male newborns exhibit pseudohermaphroditism with incomplete masculinization of the external genitalia due to an impairment of androgen biosynthesis in the testis.

In contrast, affected females exhibit normal sexual differentiation or partial virilization (summary by Rheaume et al., ).