Embryology of Kidney and Urinary Tract

Question 1

Which layer of the TLD are the kidneys derived from?

Answer 1

Intermediate Mesoderm

Question 2

What 3 paired kidneys develop in the embryo?

Answer 2

1) Pronephros
2) Mesonephros
3) Metanephros

Question 3

What does the mesonephros develop into?

Answer 3

Mesonephric ridge and duct

Question 4

What does mesonephric duct form in males?

Answer 4

Epididymis, Vas Deferens, Seminal Vesicles and Ejaculatory Duct

Question 5

What does the ureteric bud form?

Answer 5

Ureters, collecting duct, major and minor calyxes and renal pelvis

Question 6

What do the Muellerian duct form in females?

Answer 6

Uterine tubes, uterus, cervix and proximal 1/3 of vagina

Question 7

What is the Cloaca split into?

Answer 7

1) Anorectal Canal

2) Urogenital Sinus

Question 8

What are the 3 main parts of the Urogenital SInus?

Answer 8

1) Upper
2) Pelvic
3) Phallic

Question 9

Which part of urogenital sinus does the bladder form from?

Answer 9

Upper Part

Question 10

What section of urogenital sinus forms the prostatic and membranous urethra?

Answer 10

Pelvic

Question 11

What does the Phallic section of the membranous urethra form?

Answer 11

Penile Urethra

Question 12

Which part of the TLD do the bladder and urethra come from?

Answer 12

Endoderm