Embroyology Flashcards
Before we’re born, we begin our life as a fertilized _________. An ______________ rapidly grows and develops before a baby is born.
egg. embryo
embryo
an unborn or unhatched organism undergoing the process of growth and development
egg
a female gamete
menstrual cycle
the process that controls how eggs mature and release into the uterus
ovulation
the process of an ovary releasing a mature egg for potential fertilization
embryology
the study of the development and growth of an organism in its unborn or unhatched stage
vertebrate
an organism with a spinal column, or backbone
vertebrate
an organism with a spinal column, or backbone
The egg matures in the ______________. Ovulation occurs when the egg is released into the fallopian tubes and finally reaches the _______________.
ovaries, uterus
If a sperm meets the egg in the fallopian tube, it can result in ___________________. The fertilized egg then implants itself in the uterus and develops into a ___________
fertilisation Egg
If fertilization doesn’t occur, then the egg and the thick uterine lining _________ during the last days of the cycle.
sheds
After fertilization, the egg is called a _____________
zygote
- The zygote undergoes rapid cell __________________.
division
- Cell division causes the zygote to look like a ball of cells, which is called a ______________
morula
After further cell division, the ball of cells is called a ________________.
blastocyst