Ch37 human reproduction 2: from fertilisation to birth Flashcards
copulation
means sexual intercourse
fertilisation
fusion of a sperm cell nucleus with an egg cell nucleus to produce a diploid zygote
fertile period
is the time during a menstrual cycle when an egg can be fertilised
infertility
the inability to produce gametes or to concieve
in vitro fertilisation
is the fusion of an egg and sperm outside the body
implantation
when the embryo embeds into the endometrium
morula
solid ball of cells
blastocyst
fluid-filled ball of cells
implantation
when the embryo embeds into the endometrium
germ layer
group of cells in the embryo that give rise to the body organs
amnion
a memrane which surrounds the embryo and secretes amniotic fluid
contraception
to prevent fertilisation and pregnancy