The ponticulus posticus: implications for screw insertion into the first cervical lateral mass.
Prevalence of ponticulus posticus in a Northern Italian population: a lateral cephalometric study.
Posticus (PP) is a variation occuring on the atlas vertebra (Bayrakdar et aI., 2014).
posticus of the first cervical vertebra.
We can set tourist attractions, plant trees and flowering straws with ornamental value, and build ponticulus
and lakes for fish and sightseeing .
An arcuate foramen is the opening formed by the posterior arch of the atlas and a ponticulus
posticus, which is a common anatomic variant that is present in from 3 to 15% of the population.
For example, Proctor described the ponticulus
, which extends from the pyramidal eminence to the promontory.
Structures of middle ear like chorda tympani nerve, handle of malleus, opening of Eustachian tube, Promontory, Pyramids with tendon of stapedius muscle, facial recess, sinus tympani, ponticulus
subiculum and round window were examined.
The frequencies of Ponticulus
Posticus (complete and partial) in the Atlas vertebrae; the Sella Turcica Bridge and the Clinoid Enlargement in Peruvians were determined in two distinct studies (Perez et al., 2013, 2014); those frequencies and the samples where they come from could be utilized as control groups that can be matched with other samples of patients with specific conditions such as Cleft lip and palate.
This canal by a bridge of bone, as a morphological variation, has been called as mylohyoid bridging, arcus mhyloideus, ponticulus
mylohyoideus or canalis mylohyoideus (Hanihara & Ishida, 2001).
It has been variously described as ponticulus
posticus, Kimmerle's anomaly.