Match each definition in the first column to the correct term in the second column.
-Orchestrates all interactions between the mother and the embryo and later fetus.

Question

Quizplus · Accepted Answer

The placenta orchestrates all interactions between the mother and the developing embryo/fetus.

Answer: D
 Human chorionic gonadotropin (hCG) is a hormone produced by the cells of the developing placenta and is important in maintaining the pregnancy.

Answer: E
 The chorion is one of the extraembryonic membranes that develops around the embryo and later contributes to the formation of the placenta.

Answer: H
 The blastocyst is the stage of development of the embryo when it is a hollow ball of cells and is ready for implantation.

Answer: I
 Fertilization is the process by which a sperm and egg combine to form a zygote.

Answer: K
 Polyspermy occurs when more than one sperm fertilizes the same egg, which is abnormal and can lead to developmental problems.

Note: The remaining terms (A, B, C, F, G, L) are also important stages or events in embryonic/fetal development, but do not match the description of the definition given in the first column.

Match Each Definition in the First Column to the Correct