The Embryo Becomes Implanted in the Endometrium of the Uterus

question 15

Multiple Choice

The embryo becomes implanted in the endometrium of the uterus due to

• A) special receptors on the endometrium to which the blastocyst attaches.
• B) enzymes secreted by the trophoblast, which erode an area of the endometrium for entry of the embryo.
• C) special phagocytic cells in the endometrium, which engulf the embryo.
• D) the sticky coat of the zona pellucida, which adheres to the endometrium.
• E) the action of hCG secreted by the embryo.

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Definitions:

Mother Church

The principal church of a diocese, region, or country, often referred to as a cathedral or a basilica, serving as the central place of worship.

Jesuits

A Catholic religious order founded by Ignatius of Loyola in 1540, known for its emphasis on education, intellectual inquiry, and missionary work.

Rome

The capital city of Italy, known for its ancient history, pivotal role in the development of Western civilization, and as the heart of the Roman Catholic Church.

Sistine Ceiling

The ceiling of the Sistine Chapel in Vatican City, famously painted by Michelangelo between 1508 and 1512, featuring nine scenes from the Book of Genesis, including the iconic Creation of Adam.