Revision 8 for 'Nose'

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Nose

The nose, sometimes referred to as the external nose, is a feature of the face and is composed of soft tissues that extend externally from the skull. It is continuous posteriorly with the nasal cavity. The anterior (piriform) aperture is bounded above by the nasal bones and elsewhere by the two maxillae. 

The external nose is formed by nasal bones (bridge of nose), lateral (upper) and greater (alar or lower) nasal cartilages and supported in the midline by the nasal septum. The mucocutaneous area of the nose lies beyond the hair-bearing area4

Nerve supply

The skin of the nose is supplied by the external nasal nerve (ophthalmic division of trigeminal nerve) 4.

Blood supply

Lymphatic drainage

  • receives lymphatics from the anterior nasal cavity and then in lymphatics that accompany the facial vein to the submandibular lymph nodes 2

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