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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]
It contains one or two lymph glands, the submental lymph nodes (three or four in number) and Submental veins and commencement of anterior jugular veins. (The contents of the triangle actually lie in the superficial fascia over the roof of submental triangle)
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 ...
Suprahyoid (above the hyoid) Infrahyoid (below the hyoid) Fascial spaces traversing the length of the neck; In oral and maxillofacial surgery, the fascial spaces are almost always of relevance due to the spread of odontogenic infections. As such, the spaces can also be classified according to their relation to the upper and lower teeth, and ...
The use of the divisions described as the triangles of the neck permit the effective communication of the location of palpable masses located in the neck between healthcare professionals. The common swellings anterior of the midline are: Enlarged submental lymph nodes and sublingual dermoid in the submental region.
The primary function of lymph nodes is the filtering of lymph to identify and fight infection. In order to do this, lymph nodes contain lymphocytes, a type of white blood cell, which includes B cells and T cells. These circulate through the bloodstream and enter and reside in lymph nodes. [24] B cells produce antibodies.
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The posterior part of this triangle contains the external carotid artery, ascending deeply in the substance of the parotid gland. This vessel lies here in front of, and superficial to, the external carotid, being crossed by the facial nerve, and gives off in its course the posterior auricular, superficial temporal, and internal maxillary branches: more deeply are the internal carotid, the ...