perianth |
<plant biology> The calyx and corolla of a flower, especially where the two are similar. (09 Oct 1997) |
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perianthium |
<plant biology> The calyx and corolla of a flower, especially where the two are similar. (09 Oct 1997) |
periaortic |
<anatomy> Surrounding or adjacent to the aorta. (05 Mar 2000) |
periaortitis |
<pathology> Inflammation of the adventitia of the aorta and of the tissues surrounding it. (05 Mar 2000) |
periapex |
The periapical structures, particularly periodontal membrane and adjacent bone. Origin: peri-L. Apex, tip (05 Mar 2000) |
periapical |
<dentistry> X-ray of individual teeth or groups of teeth. (08 Jan 1998) |
periapical abscess |
<dentistry> Acute or chronic inflammation of tissues surrounding the apical portion of a tooth, associated with the collection of pus, resulting from infection following pulp infection through a carious lesion or as a result of an injury causing pulp necrosis. (12 Dec 1998) |
periapical cemental dysplasia |
<dentistry> A benign, painless, non-neoplastic condition of the jaws which occurs almost exclusively in middle-aged black females. The lesions are usually multiple, most frequently involve vital mandibular anterior teeth, surround the root apices, and are initially radiolucent (becoming more opaque as they mature). Synonym: periapical osteofibrosis. (21 Jun 2000) |
periapical curettage |
<dentistry, procedure> Removal of a cyst or granuloma from its pathologic bony crypt, utilizing a curette, the removal of tooth fragments and debris from sockets at the time of extraction or of bone sequestra subsequently. (05 Mar 2000) |
periapical cyst |
An inflammatory odontogenic cyst derived histogenetically from Malassez' epithelial rests surrounding the root apex of a nonvital tooth. Synonym: periapical cyst, radicular cyst, root end cyst. (05 Mar 2000) |
periapical diseases |
Diseases of the periapical tissue. (12 Dec 1998) |
periapical granuloma |
Chronic nonsuppurative inflammation of periapical tissue resulting from irritation following pulp disease or endodontic treatment. (12 Dec 1998) |
periapical osteofibrosis |
<dentistry> A benign, painless, non-neoplastic condition of the jaws which occurs almost exclusively in middle-aged black females. The lesions are usually multiple, most frequently involve vital mandibular anterior teeth, surround the root apices, and are initially radiolucent (becoming more opaque as they mature). Synonym: periapical osteofibrosis. (21 Jun 2000) |
periapical periodontitis |
Inflammation of the periapical tissue. It includes general, unspecified, or acute nonsuppurative inflammation. Chronic nonsuppurative inflammation is periapical granuloma. Suppurative inflammation is periapical abscess. (12 Dec 1998) |
periapical radiograph |
A radiograph demonstrating tooth apices and surrounding structures in a particular intraoral area. (05 Mar 2000) |