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68wm6 p2 int rep sys
Introduction to the Reproductive System
| Question | Answer |
|---|---|
| What suspends the testicles in the scrotum? | The spermatic cord |
| WWhat is the function of the testes? | The production of sperm and testosterone |
| What is the tightly coiled tube that emerges from top of each testis, descends along its posterior surface and leads into vas deferens | Epididymis |
| What is the function of the epididymis? | stores sperm cells until they mature |
| A muscular tube about 46 cm long and passes along the medial side of the testis, through the inguinal canal into abdominal cavity and makes up the spermatic cord | Vas Deferens |
| What is the function of the Vas deferens? | Transports sperm |
| What is the convoluted, sac-like structure, 5 cm long attached to each vas deferens at base of the bladder? | Seminal Vesicle |
| What is the function of the Seminal Vesicle? | secretes slightly alkaline fluid consisting of fructose and other nutrients for sperm cells. Produces 60% of the volume of semen |
| What is the short tube ( 1 inch) beginning at seminal vesicle and ending in the prostate gland ? | Ejaculatory duct |
| What is the function of the Ejaculatory duct? | transport sperm and seminal fluid to urethra |
| What is the function of the prostate gland? | secretes a thin, milky, alkaline fluid which neutralizes semen, enhances sperm motility and helps to neutralize the acidic secretions of the vagina |
| What are the 2 small structures located below the prostate gland and enclosed by fibers of external urethral sphincter muscle | Cowper’s Glands (Bulbourethral glands) |
| What is the function of the Cowper’s Glands (Bulbourethral glands)? | secretes mucus–like fluid, partly lubricates the end of penis in preparation for intercourse. Corresponds to the Bartholin’s in women to provide lubrication during sexual intercourse. |
| What divides the two chambers of the scrotum? | The medial septum |
| What temperature is needed for sperm to develope? | 2 to 3 degrees lower than body temp |
| Pair of dorsally located cylinders of penile erectile tissue. | Corpora Cavernosa |
| single cylinder of penile erectile tissue, surrounds the urethra and forms the glans penis | Corpora Spongiosum |
| What are the two sections of the ovary? | Medulla and Cortex |
| What is the ovarian medulla? | composed of loose connective tissue, contains blood vessels, lymphatic vessels, and nerves |
| What is the ovarian cortex? | composed of compact tissue, contains tiny cell masses called ovarian follicles, covered by cuboidal epithelium |
| What is the funnel shaped region of the fallopian tube near the ovary? | infundibulum |
| infundibulum is surrounded by fringe of finger–like projections called what? | fimbrae |
| What are the 3 layers of the uterine wall? | *Endometrium *Myometrium *Perimetrium |
| What is the function of the uterus? | Receives and sustains developing fetus |
| The Uterus enlarges how many times? | 500 |
| What are the folds of the vagina called? | Rugae |
| What part of female anatomy is responsible for secretion of mucus and are similar to the male prostate gland? | Paraurethral or Skene’s glands |
| What lubricates the vagina for sexual intercourse? | Bartholin’s glands or vestibular |
| What is the function of the Labia Majora? | protects inner structures, contains sensory nerve endings, sebaceous and sudoriferous glands |
| What is the function of the Labia Minora | protect the openings of the vagina and urethra |
| What is the function of the Clitoris? | Sexual arousal |
| What is the function of the Vestibule? | contains the clitoris, urethra, hymen and vaginal opening |
| How many lobes are the mammary glands composed of? | 15-20 |
| How does milk reach the nipple from the mammary glands? | Via the lactiferous ducts |
| What seperates the lobes of the mammary glands? | Adipose tissue. |
| What determines breast size? | The amount of adipose tissue between the lobes of the mammary glands |
| What hormone influences the mammary glands to produce milk? | Prolactin |
| What hormone allows milk to be released? | Oxytocin |
| What is the pigment around the nipple called? | Areola |
| What phase of the menstral cycle do small patches of dead cells slough off, leaving torn blood vessels and menstrual bleeding? | Menses (menstrual) period |
| What phase of the menstual cycle do epithelial cells reproduce, repairing uterine lining? | Proliferative phase |
| What phase of the menstrual cycle is the ovum released from the ovary and moves into the uterine (fallopian) tube for fertilization? | Ovulation |
| What phase of the menstrual cycle does the uterine lining prepare for pregnancy by growing thicker and developing greater blood supply? | Secretory phase |
| What is the diamond shaped area from the symphysis pubis and extends to the anus that contains the reproductive structures? | Perineum |
| Can the type of underwear worn by a male influence sperm count? | Yes it can by holding the testes close to the body, thereby increasing the temperature. |
| When is menopause considered complete? | 1 year after last menses |
| What is metrorrhagia? | Uterine bleeding between regular menstrual periods or after menopause |
| What can metrorrhagia indicate? | cancer or benign tumors of the uterus |
| What is the medical management of menopause? | *Premarin *Provera *Calcium supplements |
| In males, at what age is there a gradual decrease of testosterone levels and seminal fluid production? | 55 - 70yrs |
| At what age are the females most fertile? | 20 - 29yrs |
| What is infertility? | Inability to conceive after 1 year of sexual intercourse without birth control |
Created by:
Shanejqb
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