Etymology

Monro-Kellie hypothesis

Today it means: A hypothesis that states that the sum of the volumes of brain tissue, cerebrospinal fluid, and intracranial blood within the rigid skull remains constant. Full definition →

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The story

Named after Scottish physicians Alexander Monro Secundus (1733–1817) and George Kellie (1770–1829), who developed the hypothesis.

Etymology from Wiktionary, CC BY-SA 4.0.