Assertion: bony labyrinth's part | /r/Synonym | tympanic lip
Facets:
Source sentences:
text: On the upper plate of that part of the lamina which is outside the vestibular membrane, the periosteum is thickened to form the limbus laminæ spiralis (Fig. 929), this ends externally in a concavity, the sulcus spiralis internus, which represents, on section, the form of the letter C; the upper part, formed by the overhanging extremity of the limbus, is named the vestibular lip; the lower part, prolonged and tapering, is called the tympanic lip, and is perforated by numerous foramina for the passage of the cochlear nerves.
text: On the upper plate of that part of the lamina which is outside the vestibular membrane, the periosteum is thickened to form the limbus laminæ spiralis (Fig. 929), this ends externally in a concavity, the sulcus spiralis internus, which represents, on section, the form of the letter C; the upper part, formed by the overhanging extremity of the limbus, is named the vestibular lip; the lower part, prolonged and tapering, is called the tympanic lip, and is perforated by numerous foramina for the passage of the cochlear nerves.