chapter 1
The entire time of the baby's development from conception through birth
Prenatal
A test administered to determine how well a neonate is responding to life outside the womb. it uses a standard scoring system and is used to evaluate if emergency services are needed
Apgar test
The period from about 2-8 weeks after conception
Embryonic period
The period of the baby's final stage of development, from the beginning of the 3rd month until birth
Fetal period
The baby from 2-8 weeks after conception
Embryo
The period immediately following conception and lasting through implantation
Germinal Period
A thick, black waste material that the baby passes soon after birth
Meconium
The hollow sphere of cells that forms several days after conception
blastula
Simultaneously born offspring who develop from 2 seperate ova and sperm
Dizygotic twins
The organ formed within the womb during pregnancy to nourish the baby and remove its waste
Placenta
A fertilized ovum
an automatic response to stimuli
Reflex
The process whereby the blastula burrows into the uterine lining
Implantation
The sac of liquid within the uterus that protects the developing baby
Amniotic sac
The inner layer of the embryo's cells that becomes the digestive system, lungs, and glands
endoderm
the process of cell division in a zygote
Cleavage
A quality present from birth
innate
2 offspring who began development as a single zygote which split into 2 zygote during cleavage
Monozygotic twins
The middle layer of the embryo's cells that develops into muscle, blood, and excretory system
Mesoderm
The protective outer sac that develops from tissue surrounding the embryo
Chorion
Two passages that connect the ovaries to the uterus
Fallopian tubes
The newborn baby
Neonate
The outer layer of the embry0's cells that forms the skin and nervous system
ectoderm
Toxic agent that causes abnormalities of birth defects
Teratogens
The tubes of tissue connecting the placenta to the baby. These are blood vessels carrying food to the baby and waste products away from the baby.