Test 1 Blueprint (1) Flashcards
(66 cards)
Sperm development is stimulated by:
testosterone
Sperm best survive in an ____ environment.
alkaline
Seminal fluid is ____ to sperm to keep it viable.
neutrative
Seminal fluid is made up of secretions from the ____ ____ and the ____ ____.
seminal vesicles
prostate gland
Is the pH of the seminal fluid is alkaline or acidic? Why?
alkaline
Helps to neutralize the acidic female vagina to maintain sperm viability
How long do sperm survive?
48-72 hrs
How long do ova survive?
24 hrs
Development of the ova in the female is called:
oogenesis
Maturation and ovulation is ____.
cyclic
Female have a lifetime of oocytes by ___ weeks.
12
Lutenizing hormone is secreted from the ___ ___ gland and causes ___ to occur.
anterior pituitary
ovulation
Ovum is the period of development from ____ to day ____.
conception
day 14
The corpus luteum continues to secrete ____ and ____ until the ____ takes over at about ____ months gestation.
progesterone
estrogen
placenta
3 months
Where does conception usually occur?
In the outer 1/3 of the fallopian tubes
When does the zygote reach the uterus?
3 to 4 days
During pregnancy, progesterone has what effect on smooth muscle?
Relaxes
Progesterone is ____; it prevents spontaneous abortion by decreasing what?
pro-life
uterine contractility
Implantation occurs ____ days after conception.
6-10 days
Implantation occurs when estrogen and progesterone production by the ____ ____ is at its highest peak.
corpus luteum
Ovulation occurs ___ before the next menstrual period.
14 +/- 2 days
Premenopausal women start to have decreased bleeding and blood level because of what 2 hormones?
estrogen and progesterone
What structures of the blastocyst extend into the maternal blood supply in the process of implantation?
chorionic villi
Chorionic villi develop out of what?
the trophoblast
What does hyaluronidase help sperm do?
penetrate the corona radiata of the ovum
