retromolar fossa

ret·ro·mo·lar fos·sa

[TA]
a triangular depression in the mandible posterior to the third molar tooth.
Synonym(s): fossa retromolaris [TA]

ret·ro·mo·lar fos·sa

(retrō-mōlăr fosă) [TA]
Triangular depression in mandible posterior to third molar tooth.
References in periodicals archive ?
The most common sites of tumors of the minor salivary glands are, in order, the palate, the oral mucosa, and the retromolar fossa.