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60 Cards in this Set
- Front
- Back
The ovaries produce which hormones?
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estrogen and progesterone
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a pair muscular tubes extending fro the uterus to the ovaries
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Fallopian tubes
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Finger Like Projections at the end of the Fallopian tubes that carry the Ovum to the uterus
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Fimbriae
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Inner lining of the uterus; this sheds during menstruation
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endometrium
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The hypothalamus secretes _____ which causes the Anterior Pituitary to release FSH and LH
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GnRh (Gonadotropin Releasing Hormone)
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Day One of the cycle refers to
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The first day of bleeding
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In the ovary, the first 14 days of the cycle are reffered to as ________
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Follicular Phase
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During the ovarian ____ phase, primary follicles are stimulated to mature into secondary follicles and follicles produce estrogen
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Follicular Phase
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FSH is released in response to low ____
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estrogen
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High concentrations of Estrogen stimulate____
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LH
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A spike in ____ stimulates ovulation
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LH
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The process of a mature egg being formed and released into the fallopian tube, around day 14 of the cycle
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ovulation
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After ovulation, the follicle becomes the ____
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Corpus Luteum
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The Corpus Luteum secretes
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Estrogen, Inhibin, Progesterone
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Inhibin
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Inhibits FSH, prod. After ovulation; this works to INHIBIT FSH, works via negative feedback
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Progesterone
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increases after ovulation, suppresses GnRH release, stimulates endometrial growth
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The trigger for shedding of the endometrium (menses) is ?
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Progesterone withdrawal (decline in progesterone levels)
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The First day of bleeding in the menstrual cycle is___
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Day 1 of cycle
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fertility duration is about _____ hours after ovulation
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24 hours
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normal duration of bleeding is
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5 days
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Normal cycle length (first day of bleeding to the next bleed) is
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21-35 days between cycle
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The Growth and branching of breast ducts for lactation is under the influene of
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Estrogen
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The growth of breast glands for lactation is under the influence of
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Progesterone
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Placental Lactogen blocks____ keeping lactation from occurring during pregnancy
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Prolactin
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The biochemical marker for pregnancy tests detect
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hCG (Human Chorionic Gonadotropin)
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estrogen effects include
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Systemic effects include: + bone and muscle growth, +endometrial growth, maintenance of female secondary characteristics and glands
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What organs/glands regulate the female reproductive cycle?
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Hypothalamus, anterior pituitary gland, and the ovaries.
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What hormone does the hypothalamus release to regulate the female reproductive cycle?
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GnRH, Gonadotropin releasing hormone
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What are the principle gonadotropins?
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Luteininzing horome (LH) and Follicle stimulating horome (FSH)
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GnRH regulates the release of what horomones?
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LH and FSH
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What gland secretes LH and FSH?
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The anterior pituitary
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What stimulates ovulation?
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a surge in LH
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LH and FSH stimulates secretion of what sex horomones?
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Estradiol (an estrogen) and Progesterone
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What happens to LH and FSH levels at puberty?
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They increase, leading to estrogen release.
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What hormones stimulates the onset of secondary sexual characteristics?
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Estrogen
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What does FSH stimuluate?
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The growth of follicles in the ovary, one of which will achieve ovulation during a cycle.
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What is the normal number of days for menstrual bleeding?
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Around five
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What is the normal number of days for a menstrual cycle?
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21-35 days
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How is the menstrual cycle length determined?
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From the first day of bleeding to the day before the next bleed
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If there is abnormal bleeding what do you need to rule out first?
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Pregnancy
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What are some systemic causes for abnormal bleeding
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Thyroid disorder (Check TSH), bleeding disorder (Coagulation issues, check for nosebleeds, bruising)
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What are some clues for the systemic causes of abnormal bleeding?
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Enlarged thyroid or symptoms, galactorrhea (excess prolactin and milk production), tunnel vision (pituitary lesion)
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Defects in the reproductive system that lead to abnormal bleeding can occur where?
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Anywhere: tube, uterus, cervix, vagina
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Name four pathologies that can lead to abnormal bleeding because of an anatomical defect of the uterus.
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Endometrial polyp, endometrial hyperplasia (growth excess), endometrial cancer, myotoma (fibroids)
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How can the uterine lining be tested?
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A biopsy of the endometrial tissue can be done in office, or an operation (D&C, dilation and curettage) can be performed
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When are endometrial biopsies important?
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In women over 40 to test for endometrial cancer
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With bleeding disorders what should be ruled out first?
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Pregnancy
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What is the most common cause for abnormal bleeding?
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Anovulation, a disorder of the hormones regulating ovulation
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What is the cause of anovulation?
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A disruption in the hypothalamic and pituitary system
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What is the hormonal imbalance in anovulation?
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A continued estrogen stimulation without a progesterone withdrawal
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Why is there heavy and irregular bleeding with anovulation?
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The endometrium fails to shed completely or regularly
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Why are those with anovulation at risk of endometrial cancer?
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Because of the chronic hyperstimulation of estrogen
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What are the universal criteria for Polycystic Ovarian Syndrome?
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There are no universal criteria
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What is the systemic cause of PCOS?
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A disruption in the hypothalamic-pituitary-ovarian axis
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What are some common characteristics of PCOS?
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An abnormal menses due to anovulation, hyperandrogenism, insulin insensitivity (can lead to Type II diabetes), and obesity
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Medications and suggestions for PCOS
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Metformin has been found to be helpful even when not diabetic, oral contraceptives, exercise, and weight loss
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PCOS can often occur with Acathosis Nigricans, what is this?
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Dark, velvetly discolorations of skin folds: armpit, groin, neck
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What are some procedures that can generally be prescribed for abnormal bleeding?
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Hormonal regulation with oral contraceptives, D&C, hysteroscopy, endometrial ablation, hysterectomy
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What is endometriosis?
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When the endometrium, lining of the uterus, is found elsewhere in the body
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What are some theories for the cause of endometriosis?
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Retrograde menses (flow goes inward instead of out), lymphatic or vascular spread, metaplasia (abnormal change) of lining of abdomen
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