Fertilization and zygote formation — Flashcards

Flashcard 1: Fertilization most commonly occurs in the upper end of the fallopian tube called the _____

Answer: ampulla

Flashcard 2: Which embryologic structure develops into the fallopian tubes, uterus, and upper portion of the vagina (internal female genitalia)?_____

Answer: Paramesonephric (mullerian) duct

Flashcard 3: What is the embryonic origin of the ovaries/testis? _____

Answer: Mesoderm

Flashcard 4: _____ uterus is a common anomaly of the uterus due to incomplete resorption of the septum

Answer: Septate

Flashcard 5: The germ cells of the female gonads produce _____

Answer: oogonia

Flashcard 6: On which days following fertilization is the blastocyst formed?_____

Answer: 4-5

Flashcard 7: mastoid air cells

Answer: 1st pouch

Flashcard 8: Endoderm lined structures of the ear (1st pharyngeal pouch)

Answer: 1st pouch

Flashcard 9: 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.

Flashcard 10: inferior parathyroids

Answer: 3rd pouch