nasion


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nasion

 [na´ze-on]
the middle point of the junction of the frontal and the two nasal bones (frontonasal suture).
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

na·si·on

(nā'zē-on), [TA]
A point on the cranium corresponding to the middle of the nasofrontal suture.
Synonym(s): nasal point
[L. nasus, nose]
Farlex Partner Medical Dictionary © Farlex 2012

nasion

(nā′zē-ŏn′)
n.
The point on the skull corresponding to the middle of the nasofrontal suture.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

na·si·on

(nā'zē-on) [TA]
A point on the cranium corresponding to the middle of the nasofrontal suture.
Synonym(s): nasal point.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

nasion

The centre of the junction (suture) between the nasal and the frontal bones. The centre of the bridge of the nose.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

na·si·on

(nā'zē-on) [TA]
Point on cranium corresponding to middle of nasofrontal suture.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Thus, the comparisons revealed the variable positions of the apical base of the maxilla and mandible in relation to nasion, greater middle third facial height, and ramal length, whereas less lower facial height and total effective maxillary and mandibular length in the Caucasian population (10) (Table 3).
Superimposed at nasion along facial plane and palatal plane, the prediction is moved back 1 mm/year along the palatal plane, and the tip of the nose is traced fading into bridge [Figure 10].
In the present study, the inferior orbital margin, nasion, and the anterior nasal spine which are palpable clinically on a patient were used to locate the IOF.
The mean distance between the nasion and the pupillary center was 33.8 mm in TED [8], and the mean distance between the corneal apex and the MS plane was 32.2 in our study.
It appeared to be the head of a mushroom-type growth, with the stem arising through the nasion. The mass dominated over the left forehead with encroachment to the left medial epicanthal area, without causing epiphorea.
The ground electrode was placed on the nasion. The responses of VEMP were regarded as abnormal when the responses on the affected side were absent or decreased compared with those of the unaffected side.
Compared to NCAP test data, the clearance between the AF05 chest and the dash increased in all cases, as did the AF05 nasion to windshield clearance (Table 10).
The headset uses the international system 10-20 to collect data from the cranium's key nodes: nasion (near the frontal lobe), inion (occipital lobe), and the pre-auricular points.
Normal value of important cephalometeric measurements include MP-H (17 [+ or -] 6 mm), PAS (10 [+ or -] 3 mm), PNS - P (42 [+ or -] 5 mm), FMA (Frankfort Mandibular plane angle) (24 + 5[degrees]), and SNA (Sella to nasion to point A) (83 + 4[degrees]).
Distances of the facial width (zygion to zygion), total face height (trichion to gnathion), short forehead height (trichion to glabella), long forehead height (trichion to nasion), upper face height (trichion to subnasale), morphological face height (nasion to gnathion), nasal bridge length (nasion to pronasale), nose height (nasion to subnasale), and lower face height (subnasale to gnathion) were computed in this study [Figure 1].
We placed four electrodes at Cz, T3, T4, and Fz positions, with the reference electrode at the nasion; the T3 and T4 electrodes were referred offline to Fz, in order to detect the N1 component [10].