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reproductive system
3rd part
23
Other
Not Applicable
08/05/2007

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Cards

Term
what is the temperature inside the scrotum?
Definition
34 degrees
Term
how many chromosomes are in the primary spermatocytes, how many are in the secondary? how many spermatids are created with one secondary spermatocyte? and how many choromosomes are in each permatid?
Definition
46 chromosomes in primary,

23 in secondary,

4 spermatids, 1 chormatid each.
Term
what is the microtubules pattern in the the tail?
Definition
9+2 pattern
Term
what is the substance that the scrosomes digest on the surface of the egg?
Definition
mucoprotein substance -> zona pellucidia
Term
what holds the scrotum in place?
Definition
spermatic cords
Term
what is the PH of the seminal fluid? is it acid or basic?
Definition
7.5ph basic
Term
what type of impulse is sent to the erectile tissue to make the penis erect?
what is the property of the blood flow into the erectile tissue?
Definition
parasympathetic,

the blood flows under pressure.
Term
where does the sperm fuse to when it meets the egg? and what is the type of fusion?
Definition
sperm fuses with ovum plasma , nuclear fusion
Term
what is the term used for fertiled ovum?
and where is it developed?
Definition
zygote

develops as it moves along the oviduct toward the uterus.
Term
what is the placenta? what does it produce? what is the effect of the product?
Definition
the placenta supplies oxygen and nutrients to the fetus,
it produces HCG, causes corpus luteum maintained temporarily,until enough amounts of progesterone and estrogen are produced.
Term
what is the effect of estrogen and progesterone?
Definition
prevents further follicle development, disables FSH and LH.
Term
what hormones are produced to trigger child birth? what are the functions of these hormones, and where is it produced by?
Definition
prostaglandin and oxytocin,
produced in posterior pituitary
oxytocin cause uterine contraction and milk,
prolactin -> milk production
Term
what is the term for an immature egg?
Definition
oocyte
Term
what are the stages of follicle maturation?
Definition
primary, secondary, graafian follicle,
Term
what is oogenesis?
Definition
development of the egg
Term
what is the oviduct also called?
Definition
uterine or fallopian tubes,
Term
what is the fingerlike projections in the oviducts called?is the ovary connected to the oviduct? how is the egg transported to the oviduct?
Definition
fimbrae

no, the egg is transported to the oviduct by the fimbrae
Term
what is it called when the zygote is not in the uterus?
Definition
it is called ectopic pregnancy
Term
the external genitals of the female is known ad the?
Definition
Vulva.
Term
increase estrogen = decrease?

increase progesterone = decrease?
Definition
FSH

LH
Term
during implatation, the membrane surrounding the embryo produces which hormone? and what is the effects of it?
Definition
HCG, prevents degeneration of the corpus lutum, instead causing it to produce more progesteron.
Term
what is the effect of estrogen in female?
Definition
growth, egg maturation, 2ndary sex characteristics
Term
what is the effect of oxytoxin?
Definition
uterine contraction
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