KUB derivative Flashcards
Mesonephros
Well-developed, function briefly
Pronephros
Rudimentary, no function
Mesonephros degenerates what AOG
End of first trimester
Mesonephric kidney derivatives
Glomeruli and Mesonephric tubules
Mesonephric contribution to urinary system
None
Mesonephric contribution to genital system
Female - indirect
Male - direct (as Wolffian duct)
Mesonephric tubule derivative
Efferent duct of testes
Mesonephric duct derivative
Ductus epididymis
Vas deferens
Seminal vesicles
Ejaculatory duct
Wolffian duct derivative
Ductus epididymis
Vas deferens
Seminal vesicles
Ejaculatory duct
Metanephros derivative
Permanent kidneys
Metanephric development week
5th week
Sources of metanephros
Metanephric diverticulum/duct or Ureteric bud
Metanephric mass of intermediate mesoderm / Metanephrogenic blastema / Metanephric tubule
Tubular outgrowths of mesonephric duct
Ureteric bud
Elongation of Ureteric bud or Metanephric diverticulum
Metanephric tubule
Initially continuous with the bladder then constricts to become the urachus
Allantois
Primordial of ureter, pelvic calyces, renal pelvis, collecting tubules
Ureteric bud
Divisions of the cloaca
Dorsal rectum
Ventral urogenital sinus
Divides the cloaca
Urorectal septum
Cranial division of urogenital sinus
Vesical part
Middle division of urogenital sinus
Pelvic part
Caudal division of the urogenital sinus
Phallic part
Fate of the vesical urogenital sinus
Urinary bladder
Fate of the pelvic urogenital sinus
Males: prostatic and membranous urethra
Females: entire urethra
Fate of the phallic urogenital sinus
Genital tubercle
Urachal anomalies
Urachal cyst
Urachal sinus
Urachal fistula
Primordial of nephron (pct, renal corpuscle, loop of henle, dct)
Metanephric tubule
