Development of the urogenital system Flashcards
Which structure forms the definitive kidney?
The metanephros
Which embryonic layer does the genital system develop from?
The intermediate mesoderm
What does the mesonephric duct form?
The male genital system
What does the paramesonephric duct form?
The female genital system
What is an alternative name for the mesonephric duct?
Wolffian duct
What is an alternative name for the paramesonephric duct?
Mullerian duct
What is an alternative name for the Wolffian duct?
The mesonephric duct
What is an alternative name for the Mullerian duct?
The paramesonephric duct
Which structures does the Wolffian duct give rise to?
The epididymis, the seminal vesicles, the vas deferens
Which structures does the Mullerian duct give rise to?
Uterus, fallopian tubes, cervix, upper 1/3 of vagina
Which cells secrete anti-Mullerian hormone?
Sertoli cells
What causes inhibition of female duct?
anti-Mullerian hormone secreted by Sertoli cells causes inhibition of Mullerian ducts
Which hormone influences the embryological development of the prostate, penis and scrotum?
Dihydrotestosterone
Which embryological structure does the lower 1/3 of vagina develop from?
The urogenital sinus
Which embryological structure do the ureters develop from?
The ureteric bud
What do the urogenital folds become in females?
Labia minora
Which embryological structure forms the clitoris?
Genital tubercle
Which embryological structure forms the urinary bladder?
Urogenital sinus
Which embryological structure forms the prostate?
Urogenital sinus
Which embryological structure forms the bulbourethral glands?
Urogenital sinus
What does the ureteric bud develop from?
The mesonephric duct
What does the ureteric bud form?
The ureters, kidney pelvis
Where does the kidney develop from?
The metanephric blastema
What is the suspensory ligament of the ovary derived from?
The mesonephros
Where does the trigone of the urinary bladder develop from?
Mesonephric duct
Where does the urogenital sinus develop from?
The ventral part of the cloaca after it separates to form the anal canal
What does the urogenital sinus form in males?
Urinary bladder, prostatic and penile urethra
What does the urogenital sinus form in females?
urethra, lower 1/3 vagina
Which embryological structure does the bladder arise from?
The urogenital sinus
Where does the lower 1/3 of the vagina develop from?
The urogenital sinus
Where do Gartner’s ducts arise from?
Embryological remnant of the mesonephric duct in females
