Term: sperm fertilization
Name: sperm
Synonyms: sperm cell, spermatozoid, spermatozoon
Definition: A mature male germ cell that develops from a spermatid.
Ontology: Anatomy Ontology [ZFA:0009006]

Name: fertilization
Synonyms: syngamy
Definition: The union of gametes of opposite sexes during the process of sexual reproduction to form a zygote. It involves the fusion of the gametic nuclei (karyogamy) and cytoplasm (plasmogamy).
Ontology: GO: Biological Process [GO:0009566]    QuickGO    AmiGO