1.3.1 Development of the Reproductive Systems Flashcards
How does the broad ligament form?
The fusion of the paramesonephric ducts from each side bring together peritoneal folds which unite and form the future broad ligament at the midline
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What is the phenotypic sex?
7th embyronic week through birth and into puberty
Describe the signaling pathway between males and females
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What is genetic sex?
This is the genetic sex (XX vs XY) of the offspring and is determined at fertilization
What is an important hormone in the migration of the testis?
Insulin-like growth factor 3 produced by Leydig cells
The prostate gland forms from?
Urogenital sinus endoderm
What is androgen insensitivity syndrome?
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What helps to move the testis through the inguinal canal?
Fetal hiccups or uterine contraction (increases in intraabdominal pressure)
Describe the steroid production by the fetal ovary?
There is very little steroid production by the fetal ovary and it is not necessary for development of the female structures or genitalia
What forms the distal 1/5th of the vagina?
Sinovaginal bulbs
The Wolffian duct forms?
Epididymis, Vas deferens, ejactulatory duct and seminal vesicles
What are some vestigial structures formed from Urogenital ducts?
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What will happen to oocytes if they are not surrounded by mesenchyme?
Undergo programmed cell death (apoptosis)
Testosterone rescues what structures?
Mesonephric ducts
What is congenital adrenal hyperplasia?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/211/433/762/a_image_thumb.png?1492099515)
Sertoli cells along with primordial germ cells will form?
These are the precursors to seminiferous tubules
What is cryptorchidism?
![](https://s3.amazonaws.com/brainscape-prod/system/cm/211/433/086/a_image_thumb.png?1492098841)
Fill in this chart
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In males after primordial germ cells migrate to gonadal ridge the mesenchyme migrates around it and forms what?
Sertoli cells
What is Turner’s syndrome?
Females having only one X chromosome - typically sterile
![](https://s3.amazonaws.com/brainscape-prod/system/cm/211/428/045/a_image_thumb.png?1492094297)
What are the 3 cell types that the indifferent gonads develop from?
Coelomic epithelium - future peritoneal cavity lining cells
Underlying mesenchyme from intermediate mesoderm - mesonephros
Primordial germ cells