Feb 3, 2023 · The pharynx is comprised of three parts (superior to inferior): Nasopharynx; Oropharynx; Laryngopharynx. In this article, we shall look at the anatomy of the pharynx – its structure, neurovascular supply, and any clinical correlations.

Oct 30, 2023 · Four main arteries are responsible for its blood supply, all of them originating from the external carotid artery: They supply the pharynx by either passing in close proximity to it, or by sending out ascending and descending pharyngeal arteries.

Jul 24, 2023 · Blood Supply and Lymphatics. Four arteries from each external carotid artery supply the pharynx with oxygen-rich blood which is the ascending pharyngeal, tonsilar (a branch of the facial artery), maxillary and lingual arteries. Venous drainage is formed by the pharyngeal veins which drain the pharynx into the internal jugular vein.

Aug 28, 2024 · Numerous branches anastomose in the pharynx, providing it with a rich arterial supply: Veins of the same name drain either into the pterygoid venous plexus or directly into the internal jugular vein. Most lymph drains back to the retropharyngeal nodes.

Aug 20, 2022 · The pharynx receives its sufficient blood supply through various arteries. Moreover, it also gets enough blood supply through the arterial anastomosis. These features make the pharynx one of the richest structures getting enough blood supply.

May 1, 2023 · The pharyngeal muscles receive their blood supply from branches of the external carotid artery according to their anatomic location. The ascending pharyngeal artery commonly supplies all of the pharyngeal muscles.

Jan 24, 2025 · Below is a detailed description of its anatomy: The pharynx is divided into three anatomical regions: Location: The uppermost part of the pharynx, lying posterior to the nasal cavity and superior to the soft palate. Boundaries: Superior: Base of the skull (sphenoid and occipital bones). Inferior: Soft palate. Features: