The PDL appears as the periodontal space of 0.4 to 1.5 mm on radiographs, a radiolucent area between the radiopaque lamina dura of the alveolar bone proper and the radiopaque cementum.
22.
The PDL appears as the periodontal space of 0.4 to 1.5 mm on radiographs, a radiolucent area between the radiopaque lamina dura of the alveolar bone proper and the radiopaque cementum.
23.
It works as an X-ray contrast medium because it is radiopaque or radio opaque, that is, it blocks X-rays so that the resulting picture clearly shows in white the shape of organs that contain it.
24.
Stones may be radiopaque, i . e . they will show up on conventional radiographs, or radiolucent, where they not be visible on radiographs ( although some of their effects on the gland may still be visible ).
25.
In 1985, Kuzmak mobilized his inventive talent to design an adjustable band, adding an " inflatable part " connected to a tube and a reservoir ( later redesigned with a stainless steel base ), all made of radiopaque silicone.
26.
Batson noted " the extensive filling of the vertebral veins, the superior longitudinal sinus, transverse sinus as well as other dural and cerebral veins " following injection of radiopaque material into a superficial venule in the left breast ( Batson 1940, Figure 5, page 143 ).
