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Reproductive/

Reproductive System

QuestionAnswer
meiosis-cell division result in gametes
when sperm and an egg join together they become a zygote (a fertilized egg)
sperm are produced in the testes
sperm transports through epididymus, ductus defereus, ejaculatory duct, and urethra
testes- paired organs in the sac called scrutum
testes develop near the kidneys
cryptorchidism undescended testes
containes several seminiferous tubules lobe
sustentacular cells stimulated by testosterone to produce inhibin
(LH) hormone to produce testosterone
20 foot long coiled tubes epididymis
smooth muscle move sperm into ductus deferens
vas deferens ductus deferens
connective tissue sheath spermatic cord
common place for hernia inguinal canal
seminal vesicles paired organs posterior to bladder
energy source from sperm fructose
alkaline liquid neutralizes acidity of vagina
paired ducts that receive contents of seminal vesicles and ductus deferens ejaculatory duct
prostate gland muscular gland inferior to bladder surrounding prostatic urethra
walnut size prostate gland
Cowpers gland Bulbourethral
contains urethra penis
glans penis the head
prepuce foreskin
surgical removal of foreskin circumcision
3 cavities of cavernous tissue erectile tissue
process of producing sperm spermatogenesis
seminiferous tubules contain stem cells called spermatogonia
spermatogonia undergo ___________ to result in 2 diploid cells-one remains a ____________ mitosis, stem cell
FSH follicle stimulating hormone
intiates sperm production FSH
lueinizing hormone stimulates testosterone production in the testes
10-14 years old this begins puberty
23 chromosomes
flagellum provides motility
sperm and secretions from the seminal vesicles, prostate gland, and bulbourethral glands sperm
male reproductive system consists of the testes and a series of ducts and glands
female reproductive system paired ovaries, fallopian tubes, uterus, vagina, external genitalia
follicles 3 stages, primary, graafian, atretic
cavities that each contain an oocyte primary follicles
surround each oocyte follicle cells
mature primary follicle graafian
graafian follicles become corpus luteum and secretes progesterone, estrogen, inhibin and relaxin
atretic follicles developing follicles that become useless and deteriorate after ovulation of the graafian follicle
attaches from medial end of the ovary to uterus ovarian ligament
broad ligament fold of peritoneum that covers the ovaries and attaches to the uterus
process of egg cell formation oogenesis
each follicle contains a stem cell
production stimulated by FSH estrogen
meiosis results in 3 polar bodies and one egg
ova production begins at puberty
ova production continues until menopause
approximately every 28 days cyclical
causes ovulation, release of ovum luteinizing hormone
uterine tubes or oviducts fallopian tubes
fimbriae finger-like projections superior to the ovary
fertilization usually takes place here fallopian tubes
secretes mucous and implants on the uterus zygote
implantation outside the uterus ectopic pregnancy
uterus pear-shaped muscular organ posterior to the bladder
contains the placenta during pregnancy uterus
fundus superior part where fallopian tubes enter
main central part body
cervix neck that opens into the vagina
outer layer epimetrium
middle layer myometrium
myometrium contract during delivery
endometrium innermost layer
adjacent to myometrium basilar layer
functional layer regenerated and lost during each menstrual cycle if pregnancy does not occur
vagina muscular tube from cervix to vagina orifice
posterior to urethra vagina
the vagina is anterior to the rectum and anus
partially covered by a thin membrane called hymen
vulva external genitalia
small mass of erectile tissue anterior to urethra clitoris
mons pubis fat pad external to pubic sympysis covered in pubic hair
lateral folds of skin labia majora
labia minora medial, smaller folds of skin surrounding the opening
secretes lubrication during intercourse bartholins glands
bartholins glands vestibular
made of lactiserous glands mammary glands
modified sweat glands that produce milk lactiferous glands
lactiferous glands alveolar
stimulated by sucking oxytocin
prepare glands estrogen and progesterone
influenced by FSH, LH, estrogen, and progesterone menstrual cycle
marked by loss of functional layer menstrual phase
follicular phase growth of ovarian follicles
ruptured follicle becomes corpus luteum luteal phase
decreases uterine contraction to aid in implantation relaxin
Created by: tiffanyheffernon