Urogenital system development — Flashcards

Flashcard 1: What congenital renal disease is characterized by a Y-shaped bifid ureter? _____

Answer: Duplex collecting system

Flashcard 2: What is the remnant of the mesonephric (wolffian) duct in females?_____

Answer: Gartner duct

Flashcard 3: Which embryologic structure develops into the fallopian tubes, uterus, and upper portion of the vagina (internal female genitalia)?_____

Answer: Paramesonephric (mullerian) duct

Flashcard 4: What congenital kidney disease is associated with unilateral or bilateral absent kidney and ureter formation? _____

Answer: Renal agenesis

Flashcard 5: The mesonephros later contributes to the _____ genital system

Answer: male

Flashcard 6: The indifferent gonad (testis, ovary) begins development next to the fetal kidney, known as the _____

Answer: mesonephros

Flashcard 7: In which week of embryogenesis do genitalia begin to develop male/female characteristics? _____

Answer: Week 10 ("Tenitalia")

Flashcard 8: mastoid air cells

Answer: 1st pouch

Flashcard 9: Endoderm lined structures of the ear (1st pharyngeal pouch)

Answer: 1st pouch

Flashcard 10: Embryological origin of the thymus

Answer: 3rd pharyngeal pouch (ventral wing)

Extra: The 3rd pharyngeal pouch gives rise to the Thymus (ventral wing) and the Inferior Parathyroid glands (dorsal wing). Compare with the 4th pharyngeal pouch, which gives rise to the Superior Parathyroid glands.