6.1 Female Reproductive System Part 2 Flashcards
Where do the fimbriae project from?
infundibulum end of the oviducts farthest from the uterus
What is the purpose of the fimbriae?
capture an egg from the ovary and sweep it into the oviducts during ovulation
Where is the egg most often fertilized?
ampulla region of the oviduct
What is a fertilized egg known as?
zygote
What provides nourishment for a new zygote?
ampulla
What is the purpose of the mucosa layer of the oviducts for a new zygote?
provides nourishing fluid that allows repeated cell divisions of the zygote
What moves the egg from the ampulla to the isthmus?
combination of muscular contraction and cilia
What is the function of the isthmus?
opens into the uterus and delivers the embryo when it is time for implantation
What is the uterus?
hollow, thick walled muscular organ shaped like an inverted pear
What does the uterus connect?
uterine tubes and the vagina
What is the position of the uterus?
forward told between the bladder and rectum
What are the layers of the uterus?
outer serous perimetrium
middle muscular myometrium
inner glandular endometrium
What is the purpose of the muscular myometrium?
expands during pregnancy to hold the growing fetus
contracts during labor to push the baby out
Where does the embryo complete development in the uterus?
inner endometrium layer
How often is the inner layer shed?
monthly
What is menstruation?
shedding of the internal lining if the female is not pregnant
What are the three regions of the uterus?
fundus
body
cervix
What is the fundus of the uterus?
upper part of the uterus
What is the fundus used for in pregnancy?
height can be measured to provide growth rates and a crude indication of breech or twins
What is the middle section of the uterus?
body
