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68wm6 p2 int rep sys

Introduction to the Reproductive System

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