acranian.

Brit.

/(ˌ)eɪˈkreɪnɪə/, U.S.

/eɪˈkreɪniə/

Origin: A borrowing from Latin. Etymon: Latin acrania.

Etymology: < scientific Latin acrania (1821 or earlier) < classical Latin a- a- prefix⁶ + post-classical Latin cranium cranium n. + classical Latin -ia -ia suffix¹. Compare French acrânie (1817 or earlier), German Acranie (1820 or earlier).

Medicine.

Total or partial absence of the skull, occurring as a congenital malformation; an instance of this.

ΚΠ

1831 J. F. South tr. A. W. Otto Compend. Human & Compar. Pathol. Anat. 387 (note) Also called acephalia spuria, acrania, microcephalia, &c.

1849–52 Todd's Cycl. Anat. & Physiol. IV. ii. 956/2 Acrania does not seem to interfere with uterine life.

1908 Lancet 18 Jan. 154/2 (heading) A case of imperfect development: acrania.

1961 Avian Dis. 5 179 A single case of acrania was found [in chicks exposed to high temperatures].

1997 J. Bondeson Cabinet Med. Curiosities 158 This gentleman had seen a child born with acrania (absence of the skull) after its mother had seen another child having its head crushed by a streetcar.

2005 Ultrasound in Med. & Biol. 31 178/1 It may be warranted to investigate whether or not 3-D US [= three-dimensional ultrasound] is superior to 2-D US for the prenatal diagnosis of fetal acrania.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online June 2022).

单词	acrania
释义	acranian. Brit. /(ˌ)eɪˈkreɪnɪə/, U.S. /eɪˈkreɪniə/ Origin: A borrowing from Latin. Etymon: Latin acrania. Etymology: < scientific Latin acrania (1821 or earlier) < classical Latin a- a- prefix⁶ + post-classical Latin cranium cranium n. + classical Latin -ia -ia suffix¹. Compare French acrânie (1817 or earlier), German Acranie (1820 or earlier). Medicine. Total or partial absence of the skull, occurring as a congenital malformation; an instance of this. ΚΠ 1831 J. F. South tr. A. W. Otto Compend. Human & Compar. Pathol. Anat. 387 (note) Also called acephalia spuria, acrania, microcephalia, &c. 1849–52 Todd's Cycl. Anat. & Physiol. IV. ii. 956/2 Acrania does not seem to interfere with uterine life. 1908 Lancet 18 Jan. 154/2 (heading) A case of imperfect development: acrania. 1961 Avian Dis. 5 179 A single case of acrania was found [in chicks exposed to high temperatures]. 1997 J. Bondeson Cabinet Med. Curiosities 158 This gentleman had seen a child born with acrania (absence of the skull) after its mother had seen another child having its head crushed by a streetcar. 2005 Ultrasound in Med. & Biol. 31 178/1 It may be warranted to investigate whether or not 3-D US [= three-dimensional ultrasound] is superior to 2-D US for the prenatal diagnosis of fetal acrania. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online June 2022). < n.1831
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