Physical examination and X-rays of an otherwise healthy 3-month-old male infant show agenesis of the left kidney and ureter and normal development of the external and internal genitalia. If this abnormality was caused by the large doses of a drug taken by his mother during the 10th week of pregnancy, which of the following events was most likely to be affected? A) Absorption of the mesonephric (Wolffian) duct into the urogenital sinus B) Formation of the mesonephric duct C) Formation of the ureteric bud D) Morphogenesis (development) of the trigone of the bladder
Physical examination and X-rays of an otherwise healthy 3-month-old male infant show agenesis of the left kidney and ureter and normal development of the external and internal genitalia. If this abnormality was caused by the large doses of a drug taken by his mother during the 10th week of pregnancy, which of the following events was most likely to be affected? A) Absorption of the mesonephric (Wolffian) duct into the urogenital sinus B) Formation of the mesonephric duct C) Formation of the ureteric bud D) Morphogenesis (development) of the trigone of the bladder
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Physical examination and X-rays of an otherwise healthy 3-month-old male infant show agenesis of the left kidney and ureter and normal development of the external and internal genitalia. If this abnormality was caused by the large doses of a drug taken by his mother during the 10th week of pregnancy, which of the following events was most likely to be affected?
- A) Absorption of the mesonephric (Wolffian) duct into the urogenital sinus
- B) Formation of the mesonephric duct
- C) Formation of the ureteric bud
- D) Morphogenesis (development) of the trigone of the bladder
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