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PN 110 reproduction
reproduction and pregnancy
Question | Answer |
---|---|
male gametes | sperm |
female gametes | ova |
skin-covered sac that contains testes | scrotum |
place where sperm mature "learn to swim" | epididymis |
tube that carries sperm from epididymis to ejaculatory duct | vas deferens |
provides semen with sugar which provides energy for sperm | seminal vesicles |
gland that provides seminal fluid and encircles the urethra | prostate gland |
reason testes are outside the body | sperm need cooler temperature |
surgical removal of foreskin | circumcision |
surgical removal of uterus | hysterectomy |
surgical severing of vas deferens causing sterility | vasectomy |
hormone produced by testes | testosterone |
type of cell division that results in daughter cells that are identical to parent cell | mitosis |
type of cell division that results in daughter cells having 1/2 the chromosomes as the parent cell (sex cells created by this) | meiosis |
name for production of sperm | spermatogenesis |
hormone that causes secondary sex characteristics in male | testosterone |
hormone that causes secondary sex characteristics in female | estrogen |
short duct that connects vas deferens to the urethra | ejaculatory duct |
male gonads | testes |
female gonads | ovaries |
beginning of menstrual cycles | menarche |
spongy tissue in penis that fills with blood resulting in erection (penis contains two) | corpus cavernosa |
spongy erectile tissue in penis that surrounds the urethra | corpus spongiosum |
rounded top of uterus | fundus |
fold of tissue that covers entrance of vagina | hymen |
lining of uterus | endometrium |
muscular part of uterus | myometrium |
place where egg is fertilized | fallopian tube |
finger-like ends of fallopian tube | fimbriae |
a fertilized egg (when gametes unite) | zygote |
mass of 16 cells from zygote divisions | morula |
fertilized egg which implants | blastocyst |
layer in uterus where attachment occurs | endometrium |
in a 28 day cycle, ovulation occurs around | day 14 (12-15 days) |
bonds with maternal bloodstream and provides oxygen and nutrients to fetus | placenta |
2 arteries and a vein surrounded by Wharton's jelly provides route between placenta and fetus | umbilical cord |
function of placenta | provide oxygen and nutrients and remove waste products hormones |
first 8 weeks of development | embryo |
number of weeks of gestation | 40 weeks (280 days) |
thinning of cervix | effacement |
the process of opening of cervix | dilation |
stage of labor where baby is delivered | 2nd |
stage of labor where placenta is delivered | 3rd |
stage of labor where cervix thins and dilates | 1st |
infancy ends at ____________ months | 12 |
sac surrounding fetus | amniotic sac |
tail of sperm that helps them swim | flagella |
pH preference of sperm | alkaline |
the pH of the vagina tends to be | acidic |