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The submental lymph nodes (or suprahyoid lymph nodes [citation needed]) are 2-3 lymph nodes [1] situated in the submental triangle, [1] between the anterior bellies of the digastric muscle and the hyoid bone. [2]
They drain the upper lip, body of tongue, cheeks, anterior portion of the hard palate, and most teeth with their associated periodontium and gingiva (except for the mandibular incisor teeth and third molar teeth). [1] The facial and submental lymph nodes may also drain into the submandibular glands. [1]
Lymph nodes of the lungs: The lymph is drained from the lung tissue through subsegmental, segmental, lobar and interlobar lymph nodes to the hilar lymph nodes, which are located around the hilum (the pedicle, which attaches the lung to the mediastinal structures, containing the pulmonary artery, the pulmonary veins, the main bronchus for each side, some vegetative nerves and the lymphatics) of ...
The classification of the cervical lymph nodes is generally attributed to Henri Rouvière in his 1932 publication "Anatomie des Lymphatiques de l'Homme" [6] [7] Rouviere described the cervical lymph nodes as a collar which surrounded the upper aerodigestive tract, consisting of submental, facial, submandibular, parotid, mastoid, occipital and retropharyngeal nodes, together with two chains ...
The most important lymph nodes in the area are the intraparotid, submandibular and the submental lymph nodes. The inferior and medial parts usually drain to the submandibular nodes while the lateral and upper parts to the parotid nodes. Other lymphatic nodes include buccal nodes and submental nodes. [citation needed]
The juguloomohyoid lymph node (tongue node) is related to the intermediate tendon of the omohyoid muscle. It is designated as one of the deep cervical lymph nodes . As it is associated with the lymph drainage of the tongue if enlarged, it can be a sign of a tongue carcinoma .
Nodes are typically around 15 mm in length in adults, and decrease in size during old age. [1] They tend to be some of the largest lymph nodes in the cervical chain due to their significant lymphatic drainage .
The left supraclavicular nodes are the classical Virchow's node because they receive lymphatic drainage of most of the body (from the thoracic duct) and enters the venous circulation via the left subclavian vein. The metastasis may block the thoracic duct leading to regurgitation into the surrounding Virchow's nodes.
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