Waldeyer’s ring: Definition, anatomy and pathology | Kenhub
2023年6月14日 · Waldeyer’s ring consists of four tonsillar structures (namely, the pharyngeal, tubal, palatine and lingual tonsils) as well as small collections of lymphatic tissue disbursed throughout the mucosal lining of the pharynx (mucosa-associated lymphoid tissue, MALT).
Waldeyer's tonsillar ring - Wikipedia
Waldeyer's tonsillar ring (pharyngeal lymphoid ring, Waldeyer's lymphatic ring, or tonsillar ring) is a ringed arrangement of lymphoid organs in the pharynx. Waldeyer's ring surrounds the naso- and oropharynx, with some of its tonsillar tissue located above and some below the soft palate (and to the back of the mouth cavity).
The Tonsils (Waldeyer’s Ring) - TeachMeAnatomy
2022年12月19日 · The tonsils are collections of lymphatic tissue located within the pharynx. They collectively form a ringed arrangement, known as Waldeyer’s ring: Pharyngeal tonsil, Tubal tonsils (x2), Palatine tonsils, (x2) Lingual tonsil
Waldeyer's ring | Radiology Reference Article - Radiopaedia.org
2020年1月29日 · Waldeyer's ring is a ring of lymphoid tissue located in the nasopharynx and oropharynx at the entrance to the aerodigestive tract. Gross anatomy. The structures composing this ring are: palatine tonsils (also called the faucial tonsils) adenoid tonsils (nasopharyngeal tonsils) the lateral bands on the lateral walls of the oropharynx
The Waldeyer's ring - PubMed
The generation of B cells in the germinal centers of the tonsil is one of the most essential tonsillar functions. This manuscript aims to review the anatomy and current knowledge on the immunologic function of the Waldeyer's ring.
Anatomy, Head and Neck, Tonsils - StatPearls - NCBI Bookshelf
2023年7月17日 · The lymphatic tissues located in the oropharynx are composed of a circumferential tonsillar ring, known as the Waldeyer's ring which consists of the palatine tonsils (faucial tonsils), adenoid (nasopharyngeal tonsil), lingual tonsil, and tubal tonsils.
Pharyngeal lymphoid ring - Anatomy, Diagram, Function
2024年12月11日 · The pharyngeal lymphoid ring, also known as Waldeyer's ring, is a collection of lymphoid tissues arranged in a circular pattern in the throat (pharynx). This ring of tissue helps protect the upper respiratory and digestive tracts from infections by trapping and destroying pathogens that enter through the nose or mouth.
Waldeyer’s Ring - SpringerLink
2016年1月1日 · Waldeyer’s ring (WR) is a descriptive and historically based name for a discontinuous circle of abundant protective lymphoid tissues that are placed in different parts of the pharynx, i.e., at the upper entrance to the respiratory and digestive systems.
Waldeyer's ring - Dr Sanu P Moideen
2023年11月12日 · Waldeyer’s ring is a ring of lymphoid tissue surrounding the nasopharynx and oropharynx. These are sites of first immunological contact for antigens in childhood. These are also called nasal-associated lymphoid tissue (NALT) or …
Anatomy and physiology of the palatine tonsils, adenoids, and …
The palatine tonsils, adenoids, tubal tonsils, and lingual tonsils are lymphoepithelial tissues that make up the components of Waldeyer's ring, named after the German anatomist Heinrich Wilhelm Gottfried von Waldeyer-Hartz. These entities are together a part of the mucosal immune system.