Meanings
nounhemimegalencephaly (countable and uncountable, plural hemimegalencephalies)
plural hemimegalencephalies
- countableuncountablemedicinemegalencephaly that affects only one half of the brain
Activating germline and somatic AKT3 mutations has also been described in a small number of individuals with atypical MPPH and hemimegalencephaly (MPPH2 [MIM 615937]).
2015 May 13, Chey Loveday et al., “Mutations in the PP2A regulatory subunit B family genes PPP2R5B, PPP2R5C and PPP2R5D cause human overgrowth”, in Human Molecular Genetics, volume 24, →DOI
Origin
Cite this entry
APA
hemimegalencephaly. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hemimegalencephaly
MLA
“hemimegalencephaly.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hemimegalencephaly. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “hemimegalencephaly,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hemimegalencephaly.
Source: hemimegalencephaly on Wiktionary, CC BY-SA 4.0.