Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

Username is available taken
show password

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

pregnancy & developm

pregnancy and development

what is the structure surrounding an egg corona radiata
how sperm fertilize an egg 1
what much the sperm breakthrough to get to the egg corona radiata layer
when a sperm reach an egg, enzymes are released from ..... at the sperm head acrosome
where does fertilization actually take place fallopian tubes
how often does a fertilized egg divide once a day for the first 5 days
what is the ball of cells called after the first 5 days morula
what happens to the morula after 5 days cells become hollow with stem cells inside that develop into a fetus
when the ball of stem cells deposit in the uterine wall it is now called a blastocyst
name the outer cells of the blastocysts trophoblast
what does trophoblast do invade the endometrium wall
why doe the trophoblast invade the endometrium wall to start forming the placenta and umbilical cord for baby to recieve nutrients from the mother
what prevents the egg shell within the ovary from degenerating hCH Human Chorionic Gnadotropin
the site of gas exchange within a fetus chorionic villi
how is oxygen provided and waste removed from a fetus through the chorionic villi and unbilical cord
at 2 weeks the trophoblast had developed into yolk sac and amnion
the yolk sac structure will become the... of the baby digestive tract
the amnion will become the... during the pregnancy amniotic sac
between the yolk sac and the amnion are 3 layers called germ layers
what are the 3 germ layers endoderm (yolk side) mesoderm (middle side) ectoderm (amnion side)
the ectoderm will develop into nervous system, skin, nails, eyes
the mesoderm will develop into muscular system, skeletal system, reproductive system, urinary system and cardiovascular system
the ectoderm will develop into lungs, digestive system and liver
the nervous system starts as a sheet of cells and folds over to form neural tube
if the neural tube doesn't fully complete and close off what happens baby born with spina bifida
Created by: Miccimouse
Popular Anatomy sets




Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
restart all cards