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BIO202-CH27-Repro2

BIO202 - Ch 27 - Reproductive System - female - Marieb/Hoehn - RioSalado - AZ

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