Home
Flashcards
Preview
BIOL 404-Exam 4-Reproduction 19
Home
Get App
Take Quiz
Create
After conception, when progesterone levels increase substantially and the fallopian tube relaxes, what occurs?
The Morula is delivered to the Uterus
What controls the speed of delivery of the morula to the uterus?
Estrogen 2, controls the cilia of the fallopian tube
If the the cilia beat too slowly, what occurs?
Tubal pregnancy
If the cilia beat too fast, what occurs?
The endometrium is unprepared for implantation
What changes occur for the morula to become the blastocyst?
morula secretes fluid into the cavity
What part of the bastocyst becomes the embryo?
inner cell mass
The inner cell mass of the bastocyst becomes what?
The embryo
What part of the blastocyst will become the placenta/chorion?
The outer layer of trophoblast cells
What part of the blastocyst is the trophoblast?
The outer layer
What will the trophoblast of the blastocyst become?
The placenta/chorion
When the blastocyst reaches the uterus, what happens?
It floats freely for 2-3 days
When does the Zona pellucida disintegrate?
After reaching the uterus, via uterine fluids
What mediates the disintegration of the Zona Pellucida?
Uterine fluids
How long after implantation does HCG production begin?
6-7 days
What occurs 6-7 days after fertilization?
HCG production
How long after conception is pregnancy measurable?
6-7 days
How many days after the LH peak does ovulation occur?
1
How many days after the LH peak foes reftilization occur?
2
How many days after the LH peak does the zygote have ~32 cells?
2-4 days
How many days after the LH peak does the blastocyst arrive in the uterus?
5 days
How many days after the LH peak does implantation occur?
6-7 days
How many days after the LH peak does HCG production occur?
9-10 days
What is the purpose of HCG release?
To rescue the corpus luteum from disintegration
What rescues the corpus luteum from disintegration?
HCG production
What major occurrences happen after the first trimester?
Nutritive/exchange is fully in place
Maternal and fetal circulations complete
Hormonal support
Author
kyleannkelsey
ID
216375
Card Set
BIOL 404-Exam 4-Reproduction 19
Description
BIOL 404-Exam 4-Reproduction 19
Updated
2013-04-28T19:20:42Z
Show Answers
Home
Flashcards
Preview