Module 3: Brief Flashcards
1
Q
age of viability
A
- 24 weeks
- 50% chance of survival with high tech nicu
2
Q
monozygote
A
- identical twins
- one fertilized egg splits into two
3
Q
dizygote
A
-non-identical twins
4
Q
homeostasis
A
-stable/balanced
5
Q
amniocentesis
A
- amniotic fluid removal
- taken out by syringe
- down syndrome and other defects
- doula (basically midwife)
6
Q
stress test
A
- 34 weeks
- tells how well the fetus wil cope with contractions
- monitor fetal heart rate (through chorionic villus sampling)
- done in early pregnancy to detect congenital abnormalities in the fetus (tissue sample taken from villi of placenta)
7
Q
congenital
A
-medical conditions that are present at or before birth
8
Q
blastula
A
- after the baby is over 100 cells, the embryo is called the blastula
- spherical layer of cells surrounding a fluid filled cavity
9
Q
embryonic disk
A
- amniotic cavity is anterior
- composed of 3 layers (ectoderm/outer, mesoderm/middle, endoderm/inner)
- mesoderm grows the notochord which the nervous system develops from
