LUTEAL REGRESSION Meaning and
Definition
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Luteal regression is a biological process that occurs in the female reproductive system following the release of an egg during ovulation. It refers to the degeneration and subsequent regression of the corpus luteum, which is a temporary glandular structure that develops from the remains of the ruptured ovarian follicle.
The corpus luteum is responsible for the production of hormones, primarily progesterone, which plays a vital role in preparing the uterine lining for potential implantation of a fertilized egg and maintaining early pregnancy. However, if fertilization and implantation do not occur, the corpus luteum starts to regress.
Luteal regression involves the gradual decrease in size and function of the corpus luteum, leading to a decline in progesterone production. This reduction in hormone levels triggers a series of events in the reproductive system, including the shedding of the uterine lining, resulting in menstruation.
The regression of the corpus luteum is initiated by a decrease in certain growth factors and hormones, especially human chorionic gonadotropin (hCG), which is usually released by the developing embryo during early pregnancy to sustain the corpus luteum. Without the necessary support, the corpus luteum becomes less active, leading to its eventual degeneration.
In conclusion, luteal regression is the natural process of the gradual decline and eventual degeneration of the corpus luteum, causing a decrease in progesterone levels and the shedding of the uterine lining in the absence of fertilization and implantation.
Common Misspellings for LUTEAL REGRESSION
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Etymology of LUTEAL REGRESSION
The term "luteal regression" is derived from the combination of two words: "luteal" and "regression".
1. Luteal: The word "luteal" comes from the Latin word "luteus", meaning "orange-yellow". In the context of reproductive biology, it specifically refers to the corpus luteum, a structure that forms in the ovary after the release of an egg during ovulation. The corpus luteum produces progesterone, a hormone that helps prepare the uterus for potential pregnancy.
2. Regression: The word "regression" originates from the Latin word "regressus", which means "going back" or "retreating". In medical terminology, "regression" refers to the process of returning to a previous state or diminishing in size or intensity.
