| absc | abscess; abscissa |
|---|---|
| PAD | pain and distress; patient surface axis depth; percutaneous abscess drainage; percutaneous automated... |
| PAFD | percutaneous abscess and fluid drainage; pulmonary artery filling defect |
| PAL | pathology laboratory; peptidyl-alpha-hydroxyglycine alpha-amidating lysine phase alteration plane; p... |
| TOA | total quality assessment; tubo-ovarian abscess |
| periodontal ligament | <anatomy> Fibrous connective tissue surrounding the root of a tooth that separates it from and attaches it to the alveolar bone. (12 Dec 1998) |
|---|---|
| periodontal ligament fibres | The collagen fibre's, running from the cementum to the alveolar bone, that suspend a tooth in its socket; they include apical, oblique, horizontal, and alveolar crest fibre's, indicating that the orientation of the fibre's varies at different levels. (05 Mar 2000) |
| periodontal membrane | <anatomy> Fibrous connective tissue surrounding the root of a tooth that separates it from and attaches it to the alveolar bone. (12 Dec 1998) |
| periodontal pocket | An abnormal extension of a gingival sulcus accompanied by the apical migration of the epithelial attachment and bone resorption. (12 Dec 1998) |
| periodontal probe | A calibrated instrument used to measure the depth and topography of periodontal pockets. (05 Mar 2000) |
| periodontal prosthesis | Any restorative and replacement device that is used as a therapeutic aid in the treatment of periodontal disease. It is an adjunct to other forms of periodontal therapy and does not cure periodontal disease by itself. (boucher's clinical dental terminology, 3d ed) (12 Dec 1998) |
| Russell's Periodontal Index | An index that estimates the degree of periodontal disease present in the mouth by measuring both bone loss around the teeth and gingival inflammation; used frequently in the epidemiological investigation of periodontal disease. (05 Mar 2000) |
| lateral periodontal cyst | An intraosseous cyst, usually encountered in the cuspid-premolar region of the mandible, derived from the remnants of the dental lamina and representing the intraosseous counterpart of the gingival cyst. (05 Mar 2000) |
| apical | <anatomy> Relating to or located at the tip (an apex). (09 Oct 1997) |
| apical angle | The angle between two plane surfaces of a prism. Synonym: refracting angle of a prism. (05 Mar 2000) |
| apical-aortic conduit | A valved conduit between the LV apex and aorta, used to treat severe otherwise unapproachable LV outflow tract obstruction. (05 Mar 2000) |
| apical area | The area about the root end of a tooth. (05 Mar 2000) |
| apical branch | The apical branch of the following: 1) superior lobar branches of left and right pulmonary arteries; 2) left superior pulmonary vein. Synonym: ramus superior. Synonym: ramus apicalis. (05 Mar 2000) |
| apical branch of inferior lobar branch of right pulmonary artery | <anatomy, artery> Branch (of the inferior lobar branch) of the right pulmonary artery serving the apical segment of the inferior lobe of the right lung. Synonym: ramus apicalis lobi inferioris arteriae pulmonalis dextrae. (05 Mar 2000) |
| apical cap | <radiology> Local pleural thickening at lung apex, ascribed incorrectly to TB, aetiology: non-specific fibrous scarring (most common), Pancoast tumour (12 Dec 1998) |