Development of Male and Female Reproductive Systems
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Questions and Answers

Which hormone is responsible for the differentiation of the Wolffian ducts into male internal reproductive tract structures?

  • Anti-Mullerian Hormone
  • Testosterone (correct)
  • MIS
  • Estrogen

What structures develop in females from the degenerated Wolffian ducts?

  • Inferior Vagina (correct)
  • Prostate
  • Uterus
  • Oviducts

In the absence of SRY, which structures in females develop from the Mullerian ducts?

  • Uterus (correct)
  • Penile Urethra
  • Prostate
  • Bladder

Which congenital anomaly is characterized by incomplete fusion of the Mullerian ducts?

<p>Bicornuate uterus (B)</p> Signup and view all the answers

In 5α-reductase deficiency, what key structure is impaired in converting testosterone to DHT?

<p>Genital Tubercle (B)</p> Signup and view all the answers

What is the effect of DHT on the development of male external genitalia in 5α-reductase deficiency?

<p>Virilization at Birth (B)</p> Signup and view all the answers

Which enzyme deficiency leads to ambiguous genitalia until puberty?

<p>5α-reductase (A)</p> Signup and view all the answers

'Hypospadias' is characterized by what abnormality in males?

<p>'Abnormal opening of the penile urethra on ventral (under) surface' (D)</p> Signup and view all the answers

'Cryptorchidism' is commonly seen along with which male urethral anomaly?

<p>'Hypospadias' (D)</p> Signup and view all the answers

'Labioscrotal Swelling' in 5α-reductase deficiency eventually differentiates into what male structure?

<p>'Scrotum' (B)</p> Signup and view all the answers

What is the most likely effect of reduced levels of androgens in a genetic male individual during development?

<p>Development of lower vagina and labia (B)</p> Signup and view all the answers

What is the correct relationship between the urogenital folds and the labia minora during development?

<p>Urogenital folds remain separate from labia minora (D)</p> Signup and view all the answers

In Klinefelter Syndrome (47, XXY), individuals have an additional copy of which chromosome?

<p>X chromosome (D)</p> Signup and view all the answers

What is a common symptom of Turner Syndrome (45, XO) in females without hormone treatment?

<p>Infertility (B)</p> Signup and view all the answers

Which homologous structure develops into the clitoris in females?

<p>Genital tubercule (B)</p> Signup and view all the answers

What is the main role of Dihydrotestosterone in genital development in males?

<p>Masculinization of external genitalia (B)</p> Signup and view all the answers

Which glands are derived from the urogenital sinus in female development?

<p>Paraurethral glands (Skene) (A)</p> Signup and view all the answers

What is a significant physical characteristic of individuals with Turner Syndrome (45, XO) at birth?

<p>&quot;Webbed&quot; neck (D)</p> Signup and view all the answers

Which gene determines the development of male characteristics in the testis?

<p>SRY (A)</p> Signup and view all the answers

What is the role of Leydig cells in testicular development?

<p>Secrete testosterone (A)</p> Signup and view all the answers

In the absence of SRY and presence of WNT4, the embryo develops which characteristics?

<p>Female (B)</p> Signup and view all the answers

Which disorder of sex development is characterized by an XY genotype with anti-mullerian hormone (AMH) deficiency?

<p>Klinefelter Syndrome (47, XXY) (C)</p> Signup and view all the answers

Which structure develops into the fallopian tubes in females?

<p>Paramesonephric ducts (D)</p> Signup and view all the answers

What male internal structure is formed by the ductus deferens?

<p>Ejaculatory ducts (B)</p> Signup and view all the answers

"Cryptorchidism" refers to which condition in males?

<p>&quot;Undescended testicles&quot; (C)</p> Signup and view all the answers

"Paramesonephric" ducts develop into which female internal structures?

<p>&quot;Fallopian tubes&quot; (B)</p> Signup and view all the answers

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