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The anatomy of the intralingual neural interconnections

Domenii publicaţii > Ştiinţe medicale + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Paduraru D, Rusu MC

Editorial: Surg Radiol Anat, 35(6), p.457-462, 2013.


PURPOSE: The intrinsic lingual neural interconnections are overlooked. It was
hypothesized that intralingual anatomically well defined anastomoses interconnect the somatic and autonomic neural systems of the tongue. It was thus aimed to evaluate the intralingual neural scaffold in human tongues.
METHODS: Human tongue samples (ten adult and one pediatric) were microdissected (4.5 magnification).
RESULTS: In the interstitium between the genioglossus and hyoglossus muscles, the branches of the lingual nerve (LN) and the medial trunk of the hypoglossal nerve (HN) had a layered disposition of the outer and inner side, respectively, of the lingual artery with its periarterial plexus. Anastomoses of these three distinctive neural suppliers of tongue were recorded, as also were those of the
LN with the lateral trunk of the HN and the anastomoses between successive terminal branches of the LN. Successive ansae linguales were joining the LN branches and the medial trunk of the HN.
CONCLUSION: The intrinsic neural system of the tongue supports integrative functions and allows a better retrospective understanding of various experimental studies. The topographical pattern is useful for an accurate diagnosis of intralingual nerves on microscopic slides.

Cuvinte cheie: lingual nerve, tongue, anatomy