Laterally, in between the hyoglossus muscle and the mylohyoid muscle lay several important structures ( from upper to lower ) : sublingual gland, submandibular duct, lingual nerve, vena comitans of hypoglossal nerve, and the hypoglossal nerve.
2.
The vena comitans of the hypoglossal nerve ( "'ranine vein "'), a branch of considerable size, begins below the tip of the tongue, and may join the lingual; generally, however, it passes backward on the hyoglossus, and joins the common facial.
परिभाषा
a vein accompanying another structure; a vein may accompany an artery in such a way that the arterial pulses aid venous return पर्याय: accompanying vein,