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The posterior septal artery supplies blood to the respiratory region of the nasal septum, which consists of the lower two-thirds of the nasal septum and most of the nasal floor. [1] The path of the posterior septal artery can be understood by splitting it into three different segments: the pterygopalatine segment, the sphenoidal segment, and ...
The nasal septum divides the cavity into two cavities, [1] also known as fossae. [2] Each cavity is the continuation of one of the two nostrils. The nasal cavity is the uppermost part of the respiratory system and provides the nasal passage for inhaled air from the nostrils to the nasopharynx and rest of the respiratory tract.
Here it bifurcates into a medial and lateral branch. The lateral branch supplies blood to the lateral wall of the nasal cavity and the medial branch to the nasal septum. A terminal branch of the lateral branch, called the external nasal branch passes between the nasal bone and the nasal cartilage to supply the skin of the nose. [citation needed]
The greater palatine artery is a branch of the descending palatine artery (a terminal branch of the maxillary artery) and contributes to the blood supply of the hard palate and nasal septum. Course [ edit ]
Kiesselbach's plexus is an anastomotic arterial network (plexus) of four or five arteries in the nose supplying the nasal septum. It lies in the anterior inferior part of the septum known as Little's area, Kiesselbach's area, or Kiesselbach's triangle. It is a common site for anterior nosebleeds.
The human nose is the first organ of the respiratory system.It is also the principal organ in the olfactory system.The shape of the nose is determined by the nasal bones and the nasal cartilages, including the nasal septum, which separates the nostrils and divides the nasal cavity into two.
This artery supplies the posterior ethmoidal air sinuses, the dura mater [2] of the anterior cranial fossa, and the upper part of the nasal mucosa of the nasal septum. [ citation needed ] References
The sphenopalatine artery is the artery commonly responsible for epistaxis (difficult to control bleeding of the nasal cavity, especially the posterior nasal cavity). [3] In severe nose bleed cases which do not stop after intense packing of anti-clotting agents, the sphenopalatine artery can be ligated (clipped and then cut) during open surgery ...