chapter 5 vocabulary Flashcards
age of viability
time from when a baby can survive if born early
AIDS
a disease caused b ythe himan immunodeficiency virus (HIV), which attacks the body’s immune system
amniocentesis
parental test in which a needle is inserted through the woman’s abdomen into the amniotic sac and a sample of the fluid is removed for cell study.
amnion
fluid-filled sac that surrounds the baby in the uterus
cervix
lower narrow portion of the uterus that connects the uterus to the vagina, or the canal
diabetes
disorder caused by the bodys inability to use sugar properly
dominant traits
traites that area lways expressed in a persons ecen if only one gene of the pair is inherited fot that trait
down syndrome
chromosomal conditions that occur when each body body cell has three copies of chromeosome 21 instead of two copies
embryo
medical term used to describe the unborn baby in the embryonic stage of detachment - weeks three through eight of the pregnancy
embryonic stage
second stage of prenatal development, lasting 6 weeks
environmental factors
factors caused by a persons surroundings
Fallopian tubes
two hollow tubes that extend from the right and left sides of the uterus and have finger like projections that reach towards each ovary
fetal alcohol spectrum disorders (FASD)
group of symptoms that occurs in infants whose mothers drank during pregnancy
fetal stage
third stage of parental development lasting from nine weeks after conception until birth
fetus
medical term used to describe the unborn baby in the fetal stage of development- week nine until the end of pregnancy
folic acid
synthetic form of the B vitamin folate. reduces the baby’s risk for neutral tube defects