Chapter 28 Flashcards
pregnancy and development
What is a zygote?
After 6-7 days the fertilized egg is now called a ____ and it adheres to the inner layer of the uterus called the ____
After implantation the trophoblast releases the hormone ____
What does the endoderm develop into?
What does the mesoderm develop into?
What does the ectoderm develop into?
What does the chorion develop into?
What is the function of the placenta?
What is the function of the umbilical cord?
What blood vessels are located in the umbilical cord?
What is the function of the amnion?
By ____ weeks the mebryo develops a pumping heart
The fetal stage of development begins at ____ weeks
Name the 3 phases of labor and describe what occurs in each phase
What hormone stimulates uterine contraction?
What hormone stimulates lactation?
What hormone stimulates milk ejection let down?
What is colostrum?