inion


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in·i·on

 (ĭn′ē-ən)
n.
The most prominent projecting point of the occipital bone at the base of the skull.

[Greek īnion, occipital bone, from īs, īn-, sinew, fiber; see wei- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

inion

(ˈɪnɪən)
n
(Anatomy) anatomy the most prominent point at the back of the head, used as a point of measurement in craniometry
[C19: from Greek: back of the head]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

in•i•on

(ˈɪn i ən)

n.
the bulging part of the human occipital bone at the back of the skull.
[1805–15; < New Latin < Greek īníon nape of the neck]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.inion - the craniometric point that is the most prominent point at the back of the head (at the occipital protuberance)
craniometric point - a landmark on the skull from which craniometric measurements can be taken
occipital bone - a saucer-shaped membrane bone that forms the back of the skull
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
He wanted to, last Sunday, but I stopped him just as he was goin' out of the door with four heads strung on a string, for all the airth like a string of inions. This account cleared up the otherwise unaccountable mystery, and showed that the landlord, after all, had had no idea of fooling me --but at the same time what could I think of a harpooneer who stayed out a Saturday night clean into the holy Sabbath, engaged in such a cannibal business as selling the heads of dead idolators?
1): MBN, midpoint between the bregma and nasion; AB, 1 cm anterior to the bregma; B, bregma; LB, 1 cm to the left of the bregma; RB, 1 cm to the right of the bregma; PB, 1 cm posterior to the bregma; MBI, midpoint between the bregma and inion; I, inion; LTL, left temporal line; and RTL, right temporal line (the cranial thickness at the temporal line was measured at the site of intersection between the frontal plane and temporal line).
The red inion variant was found have high amounts of anthocyanin- further enriching the cancer-fighting properties of Quercetin- a plant pigment that acts as an antioxidant, scavenging free radicals.
[1,2,3] In our study we attempt to see whether a line marked on the surface of the skull connecting the inion and root of zygoma (I-Z line) can be reliably used as a surface land mark for the transverse sinus.
St Luke's Church was created in 1972 by the inion of two other longestablished Paisley congregations, Oakshaw West Church and the South Church.
It is filled with pork sausages, sweetcure bacon, pork, sage and inion stuffing and a cranberry and port sauce.
While in the fixation group, osteochondral fragments were openly internally fixed using headless compression screws (Headless Compression Screw, Double Medical, China) or bioabsorbable pins (FreedomPin, Inion Oy, USA) [Figure 3].
The reference electrode was placed at F, which is 12 cm above the inion. The VEPs were picked up as the difference between active electrode ([O.sub.z]) and the reference electrode ([F.sub.pz]).
Corruccini (1974) found a significant age effect on the presence of genial tubercles, trochlear spurs, inion salience, mastoid foramen, pterygoid foramen, and postcon-dylar canal, while Berry (1975) and Perizonius (1979) each concluded that discrete cranial traits were not affected by age.
cTBS was applied over the lateral cerebellum, at a point 1 cm inferior and 3 cm lateral to the inion, with the coil handle pointing superiorly, putatively targeting the posterior lobe of the lateral cerebellum [20, 21].
Briefly, the 10/20 system is an internationally recognized atlas of functional brain region localization that relies on the distance between anatomical landmarks, such as the nasion (i.e., the location on the face, in between the eyes, at which the top bridge of the nose meets the face) and the inion (i.e., the lowest point on the back of the skull that is normally indicated by a prominent bump).