Gamete fusion — definition?
Fusion of sperm and ovocyte to form zygote.
Fécondation — definition?
Fusion of sperm and ovocyte to form zygote.
Sperm maturation — key step?
Acquisition of motility and recognition molecules in the epididymis.
Zygote — role?
First embryonic cell, resulting from fertilization.
Oocyte activation — trigger?
Sperm entry causes calcium influx, resuming meiosis.
Capacitation — process?
Biochemical changes enabling sperm to fertilize.
Acrosome reaction — purpose?
Release enzymes to penetrate zona pellucida.
Polyspermy — prevention?
Cortical reaction hardens zona pellucida.
Pronuclei — formation?
Male and female nuclei after fertilization.
Cleavage — definition?
Embryonic cell division without growth.
Test your knowledge with 9 questions on Fertilization Mechanics and Early Embryonic Development.
1. What does gamete fusion and zygote formation refer to in human reproduction?
2. Where does fertilization typically occur within the female reproductive tract?
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