Pyriform aperture
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The pyriform or nasal aperture, is the pear-shaped bony inlet of the nose formed by the nasal and maxillary bones. It forms the boundary between the anterior nasal vestibule and (of the nasal cavity) and the posterior nasal cavity proper. The maxillary spines mark the inferior margin of the pyriform aperture.
See also
-<p>The <strong>pyriform </strong>or<strong> nasal aperture</strong>, is the pear-shaped bony inlet of the nose formed by the <a href="/articles/nasal-bone">nasal</a> and <a href="/articles/maxilla">maxillary</a> bones. It forms the boundary between the anterior <a title="Nasal vestibule" href="/articles/nasal-vestibule">nasal vestibule</a> and the posterior <a title="Nasal cavity" href="/articles/nasal-cavity">nasal cavity</a>. The maxillary spines mark the inferior margin of the pyriform aperture.</p><h4>See also</h4><ul><li><a href="/articles/pyriform-aperture-stenosis">pyriform aperture stenosis</a></li></ul>- +<p>The <strong>pyriform </strong>or<strong> nasal aperture</strong>, is the pear-shaped bony inlet of the nose formed by the <a href="/articles/nasal-bone">nasal</a> and <a href="/articles/maxilla">maxillary</a> bones. It forms the boundary between the anterior <a href="/articles/nasal-vestibule">nasal vestibule</a> (of the nasal cavity) and the posterior <a href="/articles/nasal-cavity">nasal cavity proper</a>. The maxillary spines mark the inferior margin of the pyriform aperture.</p><h4>See also</h4><ul><li><a href="/articles/pyriform-aperture-stenosis">pyriform aperture stenosis</a></li></ul>