Author: Glossary
-
Diagonal conjugate diameter of pelvis
The distance from the upper part of the symphysis pubis to the most distant part of the brim of the pelvis.
-
Cervicobregmatic diameter
The distance between the anterior fontanel and the junction of the neck with the floor of the mouth.
-
Buccolingual diameter
The measurement of a tooth from the buccal to the lingual surface.
-
Bizygomatic diameter
The greatest transverse distance between the most prominent points of the zygomatic arches.
-
Biparietal diameter
The transverse distance between the parietal eminences on each side of the head (about 9.25 cm).
-
Bigonial diameter
The distance between the two gonia. The gonion is the anthropometric point at the most inferior, posterior, and lateral points on the angle of the mandible.
-
Anteroposterior diameter of pelvic outlet
The distance between the tip of the coccyx and the lower edge of the symphysis pubis.
-
Anteroposterior diameter of pelvic inlet
The distance from the posterior surface of the symphysis pubis to the promontory of the sacrum (about 11 cm in women).
-
Anteroposterior diameter of pelvic cavity
The distance between the middle of the symphysis pubis and the upper border of the third sacral vertebra (about 13.5 cm in women).
-
Diameter
The distance from any point on the periphery of a surface, body, or space to the opposite point. The distance measured along a straight line that goes through the center of a circle, shape, or body and connects points on opposite sides of its perimeter, such as the diameter of the pelvis.