Gonadal Hormones and Inhibitors (F) Flashcards
What are the female hypothalamic releasing factors? 1. What stimulates their release? 2
- Follicle-stimulating hormone releasing hormone (FSH-RH) and Luteinizing Hormone Releaseing Hormone (LHRH)
- gonadotropin-releasing hormone (GnRH)
What are the female anterior pituitary hormones?
- Follicle-stimulating hormone (FSH)
2. Luteinizing hormone (LH)
What are the ovarian hormones?
- estrogen
2. progesterone
What is the change in ovarian function at puberty with the secretion of estrogen and breast development called?
gonadarche
What is the period of the menstrual cycle that has endometrial changes and periodic bleeding from ages 11-15?
menarche
What are the phases of the ovarian cycle?
- follicular phase
- ovulation
- luteal phase
If there is fertilization of the egg, what preserves the corpus luteum?
human chorionic gonadotropin (hCG)
What are the phases of the uterine cycle?
- menstruation
- proliferative phase
- secretory phase
What phase of the ovarian cycle does the secretory phase correspond to?
luteal phase
What is a absence of ovulation called?
anovulation
What is a menstrual disorder where there is flow less than 10 mL?
hypomenorrhea
What is the menstrual disorder with cycles with intervals of
polymenorrhea
What is the menstrual disorder with frequent but irregular menstruation?
metrorrhagia
What is the menstrual disorder with flow >80 mL?
menorrhagia
What is the menstrual disorder with heavy menstruation that occurs frequently and irregularly?
menometrorrhagia
What is the menstrual disorder with cycles >35 days?
oligomenorrhea
What is the menstrual disorder with 3-6 months without menses during reproductive years when not pregnant?
amenorrhea
What can cause anovulatory cycles?
- emotional or physical stress
- eating disorders
- severe exercise
What are three major estrogens (an where is each formed)?
- estradiol (ovaries)
- estrone (liver)
- estriol (liver)
What cells produce natural estrogens?
- theca
- granulosa
- corpus luteum
- fetoplacental unit in preganancy
What is given with estrogen in combination to prevent endometrial hyperplaia and cancer?
progestin
What ovarian hormone inhibits FSH?
inhibin
What ovarian hormone increases FSH?
activin
What ovarian hormone increases glycogen synthesis and facilitates dilation and delivery to shorten labor?
relaxin
What are the androgens in men?
- testosterone
- duhydrotestosterone
- androstenedione
- dehydroepiandrosterone
- Pregnenolone
- Progesterone