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What inhibits secretion of LH and FSH?
Progesterone
The corpus luteum secretes progesterone in response to?
inhibits the production of FSH and LH.
What hormone prepares the uterus for pregnancy?
FSH (Follicle stimulating hormone) Oestregen LH (Lutenising hormone) Progesterone
Is the emotional state of the female alter output of FSH and LH?
yes produces progesterone and testosterone
What hormone directly is responsible for regulation of the menstrual cycle?
Estrogens and Progesterone in the ovaries"with a bit of wit"
What are the chemical messengers that control changes during the menstrual cycle?
They are Oestrogen, Progesterone, LH-leutinising hormone and FSH-follicle stimulating hormone. A fifth hormone that also is important is Prolactin.
What are the important horomones invovled in the control of reproduction?
GnRH, LH, FSH, inhibin, testosterone (in males), estrogens and progesterone (in females).
What gland is responsible for initiating menstrual cycle?
Oestrogen & Progesterone are produced by the Ovaries. Follicle Stimulating Hormone (FSH) & Lutenizing Hormone (LH) are produced by the pituitary gland at the base of the brain. FSH and LH control and stimulate the unripe eggs inthe ovaries to ripen and be released. Oestrogen & progesterone stimulate the formation of the endometrium lining in the womb, and by reducing in levels ultimatly casue the breakdown of the lining, and the ensuing period know as menstruation in human females
Which glands and hormones are affected by Oophorectomy?
The Pituitary Gland Hormones: Lutenizing Hormone (LH) and Follicle Stimulating Hormone (FSH), which stimulates the production of estrogen and progesterone
What causes the peak in luteinizing hormone?
In the beginning of the menstrual cycle, LH and FSH stimulate the ovaries to make estrogen. During this time, there is a negative feedback loop, so levels of all three hormones are rather low. Eventually, as the estrogen levels slowly creep up, there comes a time when it switches from negative feedback to positive feedback (not exactly sure what the biochemical basis of this is), and LH and FSH levels skyrocket (estrogen levels go up to, but not as sharply, and there is always more LH than FSH). The LH surge causes ovulaton. The corpus luteum starts secreting progesterone, which inhibits LH and FSH secretion in a negative feedback manner, and so FSH and LH levels drop sharply.
What gland responsible for menstrual cycle?
estrogen and progesteroneMenstral- LuteinizingUterine- Antidiuretic
Which hormones directly influence th uterus during pregnancy?
The cycle results from a balance between 4 hormones. Estrogen, Progesterone, Luteinizing Hormone (LH) and Follicle Stimulating Hormone (FSH). Progesterone is dependent on ovulation and release of the follicle for production, so the other 3 are more primarily responsible if you want to look at it that way. Progesterone is higher in the second half (luteal phase) of the cycle and maintains the endometrium lining. Mid cycle a surge of estrogen causes the pituitary gland to release increased amounts of LH and FSH.
