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
genetic disorder
defect caused by one or more abnormalities in the genome
genetic factors
persons inherited traits passed to him or her through he parents genes at conception
germinal stage
first stage or parental development, lasting two weeks after conception
HIV
STI that causes the desease AID’s
my-plate
food guidance system developed by the us department of agriculture to help people two years of age older make nutritious food choices
nutrients
substences found in food that the body needs to grow and function
obstetrician
doctors who specialize in pregnancy and birth
ovaries
female reproductive glands
ovum
female sex cell; also called the egg
period of gestation
time between conception and birth, also called pregnancy
placenta
organ filled with blood vessels that nourish the baby in the uterus
pregnanct-include hypertension
high blood pressure caused by pregnancy
prenatal development
development the takes place between conception and birth
prenatal supplement
supplement containing folic acid, iron, and other important vitamins and minerals that doctors recommend pregnant women to take
quickening
movements of the fetus that can be felt by the mother
recessice traits
traits that are not typical expressed in a person unless both genes for the trait are inherited
premature birth
when a baby is born too soon
Rh factor
protein substance found in the red blood cells of about 85% of the population
rubella
virus that can cross the placenta and affect eh baby during the first three months of pregnancy
sexually transmitted infections
infectious illnesses contracted partially through sexual intercourse
sperm
male sex cell
testes
male reproductive glands
ultrasound
prenatal test in which sound waves bounce off the fetus to produce an image of the fetus inside the womb
umbelical cord
contains three blood vessels that connect the baby to the placenta
ureus
organ in which the baby develops and is protected until birth
zygote
single cell formed at conception, also known as a fertilized egg
