Meanings
- biologyA hypothesis that states that the sum of the volumes of brain tissue, cerebrospinal fluid, and intracranial blood within the rigid skull remains constant.
Synonyms: Monro-Kellie doctrine
Synonyms & antonyms
proper nounA hypothesis that states that the sum of the volumes of brain tissue, cerebrospinal fluid, and intracranial blood within the rigid skull remains constant.
Origin
Named after Scottish physicians Alexander Monro Secundus (1733–1817) and George Kellie (1770–1829), who developed the hypothesis.
Full word history & related roots →Cite this entry
Monro-Kellie hypothesis. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Monro-Kellie%20hypothesis
“Monro-Kellie hypothesis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Monro-Kellie%20hypothesis. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “Monro-Kellie hypothesis,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Monro-Kellie%20hypothesis.
Source: Monro-Kellie hypothesis on Wiktionary, CC BY-SA 4.0.