Exam 4 Flashcards
What day of the menstrual cycle does Ovulation occur?
Day 14.
This is when the mature ovum is released from follicle.
What does the dominant follicle become after it ruptures during ovulation?
Corpus luteum
What hormone is released after the dominant follicle after it ruptures during ovulation and what does that hormone do?
Maintains endometrium for implantation
What portion of the fallopian tube does fertilization occur in?
Ampula
What is a newly fertilized egg called?
Zygote
Gamete
Reproductive cell, Sperm or egg
Zygote
Newly fertilized egg
Blastomeres
Zygote has divided into TWO identical cells
Morula
Zygote has divided into a ball of cells (12-16 cell stage, about 3-4 days after fertilization)-Enters uterine cavity and be surrounded by secretions, and will then be called a blastocyst
Blastocyst
Will implant into endometrium 7-12 days post ovulation- can cause a small amount of vaginal bleeding called implantation bleeding.
What are the 2 parts to the Blastocyst?
- ) Inner cell mass - Embryo/amnio/umbilical cord/yolk sac/fetal tissue.
- ) Outer cell mass- chorion/trophoblastic/placental tissue