| quaternary syphilis | Any condition indirectly due to syphilis. Synonym: metasyphilis, parasyphilosis, quaternary syphilis. (05 Mar 2000) |
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| quaternary | 1. Fourth in order. 2. Containing four elements or groups. Origin: L. Quaternarius, from quattuor = four (18 Nov 1997) |
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| quaternary carbon atom | An atom of carbon to which four other carbon atom's are attached. (05 Mar 2000) |
| quaternary structure | The three-dimensional structure of a complex protein, this especially refers to the way the polypeptide subunits fit together. (09 Oct 1997) |
| cardiovascular syphilis | Involvement of the cardiovascular system seen in late syphilis, usually resulting in aortitis, aneurysm formation, and aortic valvular insufficiency. (05 Mar 2000) |
| meningovascular syphilis | A rare manifestation of secondary or tertiary syphilis characterised by mild, nonsuppurative, chronic inflammation of the leptomeninges and an intracranial or spinal angiitis. (05 Mar 2000) |
| congenital syphilis | <radiology> Wimberger sign, periostitis, part of ToRCHS complex (12 Dec 1998) |
| primary syphilis | The first stage of syphilis See: syphilis. (05 Mar 2000) |
| hereditary syphilis | Synonym: congenital syphilis. (05 Mar 2000) |
| secondary syphilis | The second stage of syphilis See: syphilis. Synonym: mesosyphilis. (05 Mar 2000) |
| nonvenereal syphilis | Syphilis caused by organisms closely related to Treponema pallidum; spread by personal, but not necessarily venereal, contact; usually acquired in childhood, most common in areas of provery and overcrowding; rare in the United States; includes yaws, pinta and bejel. Synonym: endemic syphilis. (05 Mar 2000) |
| syphilis | <microbiology> A sexually transmitted disease caused by the spirochete, Treponema pallidum. May also be acquired prenatally (foetal infection). (27 Sep 1997) |
| syphilis, congenital | Syphilis acquired in utero and manifested by any of several characteristic tooth (hutchinson's teeth) or bone malformations and by active mucocutaneous syphilis at birth or shortly thereafter. Ocular and neurologic changes may also occur. (12 Dec 1998) |
| syphilis, cutaneous | Cutaneous lesions arising from infection with treponema pallidum. In the primary stage, 18-21 days following infection, one or more chancres appear. If untreated, the subsequent stages of the disease appear as syphilids. These eruptions are superficial, nondestructive, exanthematic, transient, macular roseolas that may later be maculopapular or papular polymorphous or scaly, pustular, pigmented eruptions.(arnold, odom, and james, andrew's diseases of the skin, 8th ed, p409) (12 Dec 1998) |
| syphilis d'emblee | Syphilis occurring without an initial sore. Origin: Fr. Right away (05 Mar 2000) |
| syphilis hereditaria | <radiology> Wimberger sign, periostitis, part of ToRCHS complex (12 Dec 1998) |