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

Name: sperm head
Synonyms:
Definition: The part of the late spermatid or spermatozoon that contains the nucleus and acrosome.
Ontology: GO: Cellular Component [GO:0061827]    QuickGO    AmiGO