| 释义 |
S-N line S-N linea line connecting a point (S) representing the center of the sella turcica with the frontonasal junction (N); it denotes the anterior portion of the cranial base in cephalometrics.S-N line (līn) Line connecting a point (S) representing center of sella turcica with frontonasal junction (N); denotes anterior portion of cranial base in cephalometrics. |