11 terms

Beginning of life

STUDY
PLAY

Terms in this set (...)

Sexual Intercourse
The process that brings male and female cells together.
Fertilization
The union of sperm and an ovum
Zygote
A cell produced when a sperm fertilizes an ovum.
Cleavage
The division of a fertilized egg into many cells
Morula
A solid ball of cells formed from a fertilized egg
Blastocyst
A hollow ball of cells formed from a fertilized egg
Implantation
The attachment of a developing egg to the lining of the uterus
Conception
Fertilization followed by implantation
Embryo
An unborn child in the first eight weeks of development
Fetus
an unborn child from the ninth week of development to birth
Differentiation
The specialization of cells as the body develops.