Q: Which of the following hormones is not secreted from the corpus luteum?  

Answer: D

The corpus luteum is a temporary endocrine gland that forms from the remnants of the ovarian follicle after ovulation. It plays a critical role in the menstrual cycle by producing and secreting hormones that prepare the body for pregnancy. The corpus luteum is primarily responsible for the secretion of progesterone, which helps to thicken the endometrium in preparation for implantation of a fertilized egg. It also secretes estrogen, which helps to maintain the uterine lining and promote ovulation. In addition, the corpus luteum secretes relaxin, which helps to relax the uterus and prevent contractions, as well as inhibin, which helps to regulate the release of follicle-stimulating hormone (FSH) from the pituitary gland.
However, testosterone is not secreted from the corpus luteum. Testosterone is a male hormone that is primarily secreted by the testes in males and by the adrenal glands in both males and females. While testosterone plays an important role in female physiology, it is not produced by the corpus luteum.
In conclusion, the corpus luteum is responsible for the secretion of several hormones, including progesterone, estrogen, relaxin, and inhibin, but it does not secrete testosterone.

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