precuneusn.
/priːˈkjuːnɪəs/, U.S. /priˈkjuniəs/ Anatomy.
A lobule of the parietal lobe of the brain located in front of the cuneus and behind the paracentral lobule.
ΘΚΠ
the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > lobe or lobule
nates?1545
lobe1672
testis1681
vermiform process1836
olfactory lobe1837
island of Reil1840
rhinencephalon1846
worm1857
precuneus1879
insula1886
vermis1890
tonsil1891
1879 Lancet 15 Mar. 364/1 On the inner surface [the growth involves] the cuneus and half of the precuneus.
1888 W. R. Gowers Man. Dis. Nerv. Syst. II. iv. 403 Very rarely softening is limited to the paracentral region, or to the precuneus.
1942 W. J. S. Krieg Functional Neuroanat. xvi. 321 Its caudal end turns up to the dorsomedial edge of the hemisphere forming an anterior boundary for the precuneus.
1945 Proc. Royal Soc. 1944–5 B. 132 359 It may be due to lesions of the medial surfaces of the hemispheres in the region of the praecuneus.
1994 Nature 14 Apr. 633/1 Retrieval was associated with activity in the right prefrontal cortex and the precuneus.
Derivatives
preˈcuneal adj.
ΚΠ
1886 Amer. Naturalist 20 902 The fifteen constant, intergyral fissures, without structural correlatives: Paracentral,..postcentral, parietal and precuneal.
1937 Philos. Trans. (Royal Soc.) B. 227 378 The praecuneal sulci.
1998 Brain 121 875 The right frontal and precuneal regions..participate in the repeated retrieval and rehearsal of already learned memories.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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n.1879