Meanings
nouncortical reaction (plural cortical reactions)
plural cortical reactions
- embryologyA reaction that manifests during fertilization, when the sperm cell coalesces with the egg's plasma membrane; this prevents entry of a second sperm.
Cite this entry
APA
cortical reaction. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cortical%20reaction
MLA
“cortical reaction.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cortical%20reaction. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “cortical reaction,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cortical%20reaction.
Source: cortical reaction on Wiktionary, CC BY-SA 4.0.