A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Submental lymph nodes | |
---|---|
Details | |
System | Lymphatic system |
Identifiers | |
Latin | nodi lymphoidei submentales |
Anatomical terminology |
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]
Anatomy
The submental lymph nodes are situated in the submental fascial space. They are situated close to the midline. They are immediately superficial to the mylohyoid muscle.[1]
Afferents
They drain the lower lip, floor of the mouth, apex of the tongue, chin, and inferior/mandibular incisor teeth and their associated periodontium and gingiva.[1]
Efferents
They drain either to submandibular lymph nodes (which then drain to deep cervical lymph nodes), or to the deep cervical lymph nodes directly.[1]
Clinical significance
The most common cause of enlargement of the submental lymph nodes are infections (including viral infections (mononucleosis, Epstein-Barr virus infection, and cytomegaloviral infections), toxoplasmosis, and dental infections (e.g. periodontitis)).[1]
The lymph nodes may be affected by metastatic spread from cancers of their drained territories.[1]
See also
References
- ^ a b c d e f g Fehrenbach, Margaret J.; Herring, Susan W. (2017). Illustrated Anatomy of the Head and Neck (5th ed.). St. Louis: Elsevier. p. 250. ISBN 978-0-323-39634-9.
- ^ Smeele, Ludi E. (2017-01-01), Brennan, Peter A.; Schliephake, Henning; Ghali, G. E.; Cascarini, Luke (eds.), "25 - Neck Dissection", Maxillofacial Surgery (Third Edition), Churchill Livingstone, pp. 398–404, doi:10.1016/b978-0-7020-6056-4.00026-5, ISBN 978-0-7020-6056-4, retrieved 2020-11-14
External links
- lesson5 at The Anatomy Lesson by Wesley Norman (Georgetown University) (livingnecklateral)
- Image at umich.edu - must rollover
- Lymphatic drainage and fascial planes in the neck
- Diagram at Baylor College of Medicine
- Non-Hodgkin's Lymphoma | Symptoms and Types
- Neck, Cervical Metastases, Detection: Overview, Anatomy of the Cervical Lymphatics, Classification of Cervical Node Groups
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