Acrosome Reaction

Changes that occur to liberate the enzymes of the ACROSOME of a sperm (SPERMATOZOA). Acrosome reaction allows the sperm to penetrate the ZONA PELLUCIDA and enter the OVUM during FERTILIZATION. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.

Yes. Acrosome Reaction is also referred to as Acrosome Reactions, Reaction, Acrosome, Reactions, Acrosome in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.

Acrosome Reaction falls under the broader medical category "Phenomena and Processes" in the MeSH hierarchy (tree numbers: G08.686.784.277.800.100). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.

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