alveololabial groove

1. the groove between the maxillary and mandibular halves of the labial vestibule;
2. in the embryo, the groove formed by the deepening of the labial sulcus; its inner wall becomes incorporated with the alveolar process of the mandible or the maxilla, and its outer wall with the lips and cheeks.

Synonym(s): alveololabial sulcus, gingivolabial groove, gingivolabial sulcus

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