porencephalian.
/ˌpɔːrɛnsɛˈfeɪlɪə/, /ˌpɔːrɛnkɛˈfeɪlɪə/, U.S. /ˌpɔrˌɛnsɛˈfeɪliə/ Medicine. Now rare.
= porencephaly n.
ΘΚΠ
the world > health and disease > ill health > deformity > deformities of specific parts > [noun] > of brain
anencephaly1829
porencephalia1859
microgyria1878
porencephalus1882
porencephaly1882
1859 Brit. & Foreign Medico-chirurg. Rev. 24 254 Idiots affected with hemiplegia exhibit a congenital defect in the brain, which gives rise to a communication between the lateral ventricles and the sac of the arachnoid. He [sc. R. Heschl] terms this defect porencephalia.
1883 Lancet 14 Apr. 649/1 Areas of partial atrophy, which almost always occur in cerebral hemispheres, were first called 'porencephalia' by Heschl.
1949 H. W. C. Vines Green's Man. Pathol. (ed. 17) xiii. 321 These [sc. malformations of brain and spinal cord] comprise..(3) more or less extensive depressions or clefts in the cortex..constituting the condition known as porencephalia.
2005 Medicina (Kaunas) 41 496 A female newborn presented with emerging skin lesions.., porencephalia, convulsions, and disorders of thermoregulation.
This is a new entry (OED Third Edition, December 2006; most recently modified version published online March 2022).
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