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The exogenous progesterone effect, aka pill endometrium, occurs when a female takes a contraceptive consisting of progesterone. This causes a ripening of the endometrium consisting of increased stroma, plumping of cells (pseudodecidua), and edema. The major difference between this and the secretory phase is that the glands are small and atrophic because they lack a priming by estrogen, therefore the endometrium will break down regularly and you will get DUB (dysfunctional uterine bleeding).
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What is exogenous activity?
Exogenous behavior is the behavior that is derived externally and outside the body. Exogenous behavior can also be in reference to outside sources that effect us, such as temperature and sunlight.
Is there progestin in Yasmin?
Yes, the progestin is drosperinone.
Which statements correctly explain how the hormone-based contraceptives affect the female reproductive cycle?
The progestin in the progestin-only pill causes changes in the endometrium that prevent implantation. The low dose of estradiol in the combination pill prevents the surge in LH production. The low doses of progestin and estradiol in the combination pill have a negative feedback effect on the hypothalamus, blocking ovulation.
Are there Oral contraceptives that contain only progestin?
Some pills contain only progestin
What hormone do contraceptives contain?
Contraceptives contain two hormones, estrogen and progestin or progestin only.
When b cells secrete antibodies does it fight against endogenous or exogenous pathogens?
exogenous pathogens.
Are there birth control pills that contain only progestin?
Some pills contain only progestin
What do exogenous sources of infection include?
Exogenous infection is a bacterial infection that develops from the outside of the body. Exogenous bacteria are foodborne and waterborne which can be consumed directly or through secondary host.
What is the definition of exogenous?
Exogenous is the use of something from outside the organism - such as insulin. A link with a longer definition is below.
What is exogenous virus?
I believe, exogenous virus exist as: "replication competent viruses that are transmitted horizontally in mice, while endogenous viruses exist as germline sequences that are usually not replication competent by may recombine with exogenous viruses during the course of infection." This would refer to exogenous retroviruses.
Can neurotransmitter be exogenous?
yes
What is an exogenous processes?
An exogenous process is a factor or variable that originates from outside the system being studied. In other words, it is a driver or input that influences the system but is not influenced by the system itself. Exogenous processes are important to consider in various fields such as economics, biology, and social sciences to understand the impact of external factors on the system under investigation.
