BIO202 - Ch 27 - Reproductive System - female - Marieb/Hoehn - RioSalado - AZ
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| Each ovarian follicle consists of? | An oocyte encased by follicle cells or granulos cells (if many).
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| At what stage does follicle bulge from surface of ovary? | As a mature vesicular follicle - Graafian follicle.
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| What happens at ovulation? | When ripe follicle ejects its oocyte from ovary.
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| What does follicle become after ovulation? | Corpus luteum - left over glandular structure.
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| Where does fertilization usually occur? | In the ampulla of the fallopian (uterine) tubes.
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| Mesosalpinx | Mesentery that covers uterine tubes
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| 3 layers of uterus wall | out to in - perimetrium, myometrium, & endometrium.
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| The vagina is lubricated by the __. | cervical mucous glands, not the vaginal mucosa.
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| What gland moistens external vestibule of vagina? | Greater vestibular glands.
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| Breast cancer usually arises from __. | epithelial cells of the smallest ducts, not alveoli.
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| Where in meiosis is female oocyte "stalled"? | Late Prophase I
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| In the follicular phase of ovarian cycle __. | a primordial follicle becomes a vesicular follicle (Day 1 - 14).
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| LH stimulus causes __. | ovulation
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| Blood levels low in __ can delay puberty. | leptin
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| mittelschmerz | pain during ovulation
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| FSH exerts its main effects on ovary __. | follicle cells
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| __ exerts its main effects on ovary thecal cells. | LH - prompts these cells to produce androgens.
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| High estrogen levels cause __ surge, which stimulates the dominant follicle __. | LH - to complete first meiotic division
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| After ovulation __ levels decline. | Estrogen - due to rupture of dominant estrogen-secreting follicle.
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| Why is LH called a "luteinizing hormone"? | Because LH surge also transforms ruptured follicle into corpus luteum.
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| What is the hormone situation at beginning of menstrual cycle? | Ovarian hormones are at lowest normal levels & gonadotropins are beginning to rise endometrium detaches.
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| By day 5 __ are starting to produce more estrogen. | growing ovarian follicles
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| The corpus luteum releases __. | progesterone
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| Rising estrogen levels cause __. | epiphyseal closure
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| The source of progesterone & estrogen during most of pregnancy is __. | the placenta, not the ovaries.
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| Which hormone at root for female sex drive? | DHEA
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| Gonorrhea invades what? | The mucosae of reproductive & urinary tracts.
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| Symptoms of gonorrhea | Painful urination & discharge of pus from penis
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| Symptoms of syphilis | Chancre - lesion at site of bacterial invasion - ulcerates - pink rash all over body - fever & joint pain.
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| Most common bacterial STD. | chlamydia
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| Symptoms of chlamydia | urethritis, discharge, inner abdominal pain, arthritis, UTI
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| Gene on 4 chromosome that initiates testes. | SRY gene
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| In embryo, the genital tubercle can become __. | glans penis or glans clitoris
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| cryptorchidism | failure of testes to drop
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| gynecomastia | development of breast tissue in male
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| orchitis | inflammation of testes
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| salpingitis | inflammation of uterine tubes
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