**Conflict of interest**

*Oral and Maxillofacial Surgery*

**40**

*3.8.4 Nerve supply*

*pharyngeal constrictor muscle.*

**Figure 4.**

**4. Conclusions**

General sensation of the tonsil and tonsillar fossa is supplied by the tonsillar branches of the GPn and the lesser palatine branch of the pterygopalatine ganglion

*The vascular supply of the tonsil: PPm, palatopharyngeus muscle; PGm, palatoglossal muscle; SPCm, superior* 

Benign or malign lesions in the tonsil and tonsillar fossa may penetrate the lateral wall of the pharynx, or the PPS may be distorted evidently by the tumors. Due to the anatomical complexity with vital neurovascular structures in the PPS, transoral robotic approach to this region makes it necessary to identify the surgical anatomic landmarks which are required to perform effective surgical intervention quickly and accurately. The detailed and precise anatomic knowledge of the tonsillar region and the PPS allows surgeon to carry out wide resections in a confined

(the maxillary division of the trigeminal nerve) [6, 7].

The author reports no conflict of interest concerning the materials used in this paper. And the author has no personal financial or institutional interest in this article.
