Development of kidney and ureter

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Kushagra Garg

Health & Medicine

Embryology of excretory
system

By:
Dr Kushagra V Grag
Resident
Radio-Diagnosis

3RD WEEK (Approx 24 days),
LATERAL VIEW & T.S.

3RD WEEK (Approx 26 days),
LATERAL VIEW & T.S.

DEVELOPMENT OF THE RENAL
PELVIS, CALYCES & COLLECTING
TUBULES OF THE METANEPHROS

6TH WK END OF 6TH WK

7TH WK

NEWBORN

DEVELOPMENT OF METANEPHRIC
EXCRETORY UNITS

MOLECULAR REGULATION OF
KIDNEY DEVELOPMENT

POSITIONAL CHANGES & RENAL
VASCULATURE

6TH -9TH
WK

ACCESSORY (SUPERNUMERARY)
RENAL ARTERIES

AUTOSOMAL RECESSIVE
POLYCYSTIC KIDNEY DISEASE

HORSE SHOE KIDNEY
IN A 13-WK FEMALE
FETUS

MALROTATION, BIFID URETER,
SUPERNUMERARY KIDNEY

REFERENCES

GRAY’s Anatomy, 40th Edition
The Developing Human: Clinically Oriented Embryology, By
MOORE & PERSAUD, 5th Edition
LANGMAN’s Embryology, By T.W.SADLER, 10th Edition
LAST’s Anatomy Regional & Applied, By CHUMMY S.
SINNATAMBY, 10th Edition
Clinically Oriented Anatomy, By KEITH L. MOORE, 8th Edition
Clinical Anatomy By Regions, By RICHARD S. SNELL, 8th
Edition

Development of urethra with male and female developmental difference . The development of male & female urethra is different . The female urethra is short & its development is very simple .but male urethra is long & its development is complicated The epithelium of entire female urethra & most of the male urethra is derived from urogenital sinus Urogenital sinus is developed from cloaca Cloaca : part of hindgut caudal to attachment of allantois, which is common chamber for hindgut & urinary system

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