Implantation — Flashcards

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

Answer: ampulla

Flashcard 2: The indifferent gonad (testis, ovary) begins development next to the fetal kidney, known as the _____

Answer: mesonephros

Flashcard 3: The umbilical _____ return deoxygenated blood from the fetus to the placenta

Answer: arteries

Flashcard 4: The normal fetal epithelium of the upper 1/3rd of the vaginal canal is _____ epithelium

Answer: columnar

Flashcard 5: Deoxygenated blood is returned to the placenta via the _____

Answer: umbilical arteries

Flashcard 6: What embryological structure is the upper (proximal) 1/3rd of the vaginal canal derived from?_____

Answer: Mullerian duct

Flashcard 7: On which days following fertilization is the blastocyst formed?_____

Answer: 4-5

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.