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Nasal bone
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==Structure== There is heavy [[Anatomical variation|variation]] in the structure of the nasal bones, accounting for the differences in sizes and shapes of the nose seen across different people. Angles, shapes, and configurations of both the bone and cartilage are heavily varied between individuals. Broadly, most nasal bones can be categorized as "V-shaped" or "S-shaped" but these are not [[Scientific terminology|scientific]] or medical categorizations. When viewing [[anatomical drawings]] of these bones, consider that they are unlikely to be accurate for a majority of people.<ref>{{Cite journal |last1=Lazovic |first1=Goran D. |last2=Daniel |first2=Rollin K. |last3=Janosevic |first3=Ljiljana B. |last4=Kosanovic |first4=Rade M. |last5=Colic |first5=Miodrag M. |last6=Kosins |first6=Aaron M. |date=2015-03-01 |title=Rhinoplasty: The Nasal Bones β Anatomy and Analysis |url=https://academic.oup.com/asj/article/35/3/255/200697 |journal=Aesthetic Surgery Journal |language=en |volume=35 |issue=3 |pages=255β263 |doi=10.1093/asj/sju050 |pmid=25805278 |issn=1527-330X}}</ref> The two nasal bones are joined at the midline '''internasal suture''' and make up the [[nasal bridge|bridge of the nose]]. === Surfaces === The ''outer surface'' is [[wikt:concavo-convex|concavo-convex]] from above downward, convex from side to side; it is covered by the [[Procerus muscle|procerus]] and [[Nasalis muscle|nasalis]] muscles, and perforated about its center by the '''nasal foramen''', a small passageway for the transmission of a small [[vein]] from the overlying soft tissues. The ''inner surface'' is concave from side to side, and is traversed from above downward, by a groove for the passage of a branch of the [[nasociliary nerve]]. === Articulations === The nasal articulates with four bones: two of the cranium, the [[Frontal bone|frontal]] and [[ethmoid]], and two of the face, the opposite nasal and the [[maxilla]].
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