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IDENTIFICATIONS:
1. What is the major hormone that inhibits the release of prolactin from the anterior lobe of the pituitary gland?
2. What part of the CNS system that regulates the prolactin level in the body? hypothalamus?
3. It is a pituitary tumor that directly secretes prolactin and represents the most common type of pituitary tumor.
4. What is the major mode of hypothalamic regulation of prolactin?
5. What is the normal value of prolactin in SI Units in non-pregnant women?
6. It is a type of acidophil in the adenohypophysis that synthesizes and secretes prolactin.
7. What major posterior pituitary hormone prolactin is dependent upon ejection of
milk from mammary glands?
8. It is also known as the absence of menstrual period in women.
9. – 10. Give two hormones tha stimulate prolactin secretion.
Lets keep thinking…
Case analysis.
A 27 year old, non-pregnant women who is 1 year married and is complaining of changes in menstruation such as irregular menstrual flow or amenorrhea, loss of libido, galactorrhea and is suspected of inability of a person to contribute to conception (being infertile) have shown the following laboratory results:
Estrogen – 120 pg/mL
Prolactin – 290 ng/mL
Follicle Stimulating Hormone (FSH) – 11 mIU/ml
Luteinizing Hormone - 11 mIU/ml
Guide questions:
What is the probable diagnosis?
What medical procedure can you recommend to manage the symptoms?
Photo source: floriascience.com
