\n\n\n\n
![\"\"](\"https:\/\/meddists.com\/learn\/wp-content\/uploads\/2020\/08\/head-regions.png\")
<\/a>Borders<\/h4>\n<\/span>\n\n\n- Superior <\/strong>\u2014 The glabella<\/li>
- Lateral <\/strong>\u2014 The nasolabial groove and the inner corner of the eye<\/li>
- Inferior <\/strong>\u2014 The base of the nose, right above the philtrum<\/li><\/ul>\n\n\n<\/span>\n
Parts of the nose<\/h4>\n<\/span>\n\n\n- Base<\/strong> \u2014 The bottom part, where the ala and apex are located<\/li>
- Root<\/strong> \u2014 The top part, blending with the glabella, between the eyebrows<\/li>
- Bridge<\/strong> \u2014 The part joining the dorsum nasi to the root<\/li>
- Dorsum nasi<\/strong> \u2014 The major component of the nose<\/li>
- Ala <\/strong>\u2014 The \u201cwings\u201d, forming which form the outer border of the nares<\/li>
- Apex <\/strong>\u2014 The \u201ctip\u201d of the nose<\/li>
- Philtrum <\/strong>\u2014 The part joining the lips to the base of the nose<\/li><\/ul>\n\n\n\n
![\"\"](\"https:\/\/meddists.com\/wp-content\/uploads\/2019\/10\/nose-600x536.png\")
<\/a>Figure 2. Anatomy of the nose<\/strong> (Credit: OpenStax, CC BY-SA 4.0<\/a>)<\/figcaption><\/figure>\n\n\n<\/span>\nCartilages<\/h4>\n<\/span>\n\n\nThe cartilaginous skeleton of the nose consists of three pairs of cartilages:<\/p>\n\n\n\n
- Septal cartilage<\/strong><\/li>
- Major ala cartilage<\/strong><\/li>
- Minor alar cartilage<\/strong><\/li><\/ul>\n\n\n<\/span>\n
Bones<\/h4>\n<\/span>\n\n\nThe bony nasal region is formed by the following bones:<\/p>\n\n\n\n
- Nasal bones<\/li>
- Frontal bone (superiorly)<\/li>
- Maxilla (laterally)<\/li><\/ul>\n\n\n\n
These bones articulate with each other in the midline, superiorly to the pyriform aperture (the anterior entrance to the nasal cavity).<\/p>\n\n\n<\/span>\nNeurovasculature<\/h4>\n<\/span>\n\n\nBlood supply<\/td> Angular artery<\/strong> (a branch of the facial artery)
Dorsal nasal artery<\/strong> (a branch of the supratrochlear artery)
Infraorbital artery<\/td><\/tr>Venous drainage<\/td> Facial vein<\/strong><\/td><\/tr>Innervation<\/td> Infratrochlear nerve<\/strong>
Anterior ethmoidal nerve<\/strong>
Infraorbital nerve<\/strong><\/td><\/tr>Lymphatic drainage<\/td> Parotid and submandibular lymph nodes<\/td><\/tr><\/tbody><\/table>Table 1. Neurovasculature of the nasal region<\/strong><\/figcaption><\/figure>\n<\/span>
Parts of the nose<\/h4>\n<\/span>\n\n\n- Base<\/strong> \u2014 The bottom part, where the ala and apex are located<\/li>
- Root<\/strong> \u2014 The top part, blending with the glabella, between the eyebrows<\/li>
- Bridge<\/strong> \u2014 The part joining the dorsum nasi to the root<\/li>
- Dorsum nasi<\/strong> \u2014 The major component of the nose<\/li>
- Ala <\/strong>\u2014 The \u201cwings\u201d, forming which form the outer border of the nares<\/li>
- Apex <\/strong>\u2014 The \u201ctip\u201d of the nose<\/li>
- Philtrum <\/strong>\u2014 The part joining the lips to the base of the nose<\/li><\/ul>\n\n\n\n<\/a>
Figure 2. Anatomy of the nose<\/strong> (Credit: OpenStax, CC BY-SA 4.0<\/a>)<\/figcaption><\/figure>\n\n\n<\/span>\nCartilages<\/h4>\n<\/span>\n\n\nThe cartilaginous skeleton of the nose consists of three pairs of cartilages:<\/p>\n\n\n\n
- Septal cartilage<\/strong><\/li>
- Major ala cartilage<\/strong><\/li>
- Minor alar cartilage<\/strong><\/li><\/ul>\n\n\n<\/span>\n
Bones<\/h4>\n<\/span>\n\n\nThe bony nasal region is formed by the following bones:<\/p>\n\n\n\n
- Nasal bones<\/li>
- Frontal bone (superiorly)<\/li>
- Maxilla (laterally)<\/li><\/ul>\n\n\n\n
These bones articulate with each other in the midline, superiorly to the pyriform aperture (the anterior entrance to the nasal cavity).<\/p>\n\n\n<\/span>\nNeurovasculature<\/h4>\n<\/span>\n\n\nBlood supply<\/td> Angular artery<\/strong> (a branch of the facial artery)
Dorsal nasal artery<\/strong> (a branch of the supratrochlear artery)
Infraorbital artery<\/td><\/tr>Venous drainage<\/td> Facial vein<\/strong><\/td><\/tr>Innervation<\/td> Infratrochlear nerve<\/strong>
Anterior ethmoidal nerve<\/strong>
Infraorbital nerve<\/strong><\/td><\/tr>Lymphatic drainage<\/td> Parotid and submandibular lymph nodes<\/td><\/tr><\/tbody><\/table>Table 1. Neurovasculature of the nasal region<\/strong><\/figcaption><\/figure>\n<\/span>
<\/a>Cartilages<\/h4>\n<\/span>\n\n\nThe cartilaginous skeleton of the nose consists of three pairs of cartilages:<\/p>\n\n\n\n
- Septal cartilage<\/strong><\/li>
- Major ala cartilage<\/strong><\/li>
- Minor alar cartilage<\/strong><\/li><\/ul>\n\n\n<\/span>\n
Bones<\/h4>\n<\/span>\n\n\nThe bony nasal region is formed by the following bones:<\/p>\n\n\n\n
- Nasal bones<\/li>
- Frontal bone (superiorly)<\/li>
- Maxilla (laterally)<\/li><\/ul>\n\n\n\n
These bones articulate with each other in the midline, superiorly to the pyriform aperture (the anterior entrance to the nasal cavity).<\/p>\n\n\n<\/span>\nNeurovasculature<\/h4>\n<\/span>\n\n\nBlood supply<\/td> Angular artery<\/strong> (a branch of the facial artery)
Dorsal nasal artery<\/strong> (a branch of the supratrochlear artery)
Infraorbital artery<\/td><\/tr>Venous drainage<\/td> Facial vein<\/strong><\/td><\/tr>Innervation<\/td> Infratrochlear nerve<\/strong>
Anterior ethmoidal nerve<\/strong>
Infraorbital nerve<\/strong><\/td><\/tr>Lymphatic drainage<\/td> Parotid and submandibular lymph nodes<\/td><\/tr><\/tbody><\/table>Table 1. Neurovasculature of the nasal region<\/strong><\/figcaption><\/figure>\n<\/span>
Bones<\/h4>\n<\/span>\n\n\nThe bony nasal region is formed by the following bones:<\/p>\n\n\n\n
- Nasal bones<\/li>
- Frontal bone (superiorly)<\/li>
- Maxilla (laterally)<\/li><\/ul>\n\n\n\n
These bones articulate with each other in the midline, superiorly to the pyriform aperture (the anterior entrance to the nasal cavity).<\/p>\n\n\n<\/span>\nNeurovasculature<\/h4>\n<\/span>\n\n\nBlood supply<\/td> Angular artery<\/strong> (a branch of the facial artery)
Dorsal nasal artery<\/strong> (a branch of the supratrochlear artery)
Infraorbital artery<\/td><\/tr>Venous drainage<\/td> Facial vein<\/strong><\/td><\/tr>Innervation<\/td> Infratrochlear nerve<\/strong>
Anterior ethmoidal nerve<\/strong>
Infraorbital nerve<\/strong><\/td><\/tr>Lymphatic drainage<\/td> Parotid and submandibular lymph nodes<\/td><\/tr><\/tbody><\/table>Table 1. Neurovasculature of the nasal region<\/strong><\/figcaption><\/figure>\n<\/span>
These bones articulate with each other in the midline, superiorly to the pyriform aperture (the anterior entrance to the nasal cavity).<\/p>\n\n\n<\/span>\nNeurovasculature<\/h4>\n<\/span>\n\n\n
Blood supply<\/td> Angular artery<\/strong> (a branch of the facial artery)
Dorsal nasal artery<\/strong> (a branch of the supratrochlear artery)
Infraorbital artery<\/td><\/tr>Venous drainage<\/td> Facial vein<\/strong><\/td><\/tr> Innervation<\/td> Infratrochlear nerve<\/strong>
Anterior ethmoidal nerve<\/strong>
Infraorbital nerve<\/strong><\/td><\/tr>Lymphatic drainage<\/td> Parotid and submandibular lymph nodes<\/td><\/tr><\/tbody><\/table>