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Syphilis (/ ˈ s ɪ f ə l ɪ s /) is a sexually transmitted infection caused by the bacterium Treponema pallidum subspecies pallidum. [1] The signs and symptoms depend on the stage it presents: primary, secondary, latent or tertiary.
Bejel, or endemic syphilis, is a chronic skin and tissue disease caused by infection by the endemicum subspecies of the spirochete Treponema pallidum. Bejel is one of the "endemic treponematoses" ( endemic infections caused by spiral-shaped bacteria called treponemes ), a group that also includes yaws and pinta .
Treponema pallidum, formerly known as Spirochaeta pallida, is a microaerophilic, gram-negative, spirochaete bacterium with subspecies that cause the diseases syphilis, bejel (also known as endemic syphilis), and yaws. [1] It is known to be transmitted only among humans and baboons. [2]
Congenital syphilis is syphilis that occurs when a mother with untreated syphilis passes the infection to her baby during pregnancy or at birth. [4] It may present in the fetus, infant, or later. [1] [5] Clinical features vary and differ between early onset, that is presentation before 2-years of age, and late onset, presentation after age 2 ...
By 1956, congenital syphilis had been almost eliminated, and female cases of acquired syphilis had been reduced to a hundredth of their level just 10 years previously. [ 90 ] In 1978 in England and Wales, homosexual men accounted for 58% of syphilis cases in (and 76% of cases in London), but by 1994–1996 this figure was 25%, possibly driven ...
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De Lairesse, himself a painter and art theorist, suffered from congenital syphilis that severely deformed his face and eventually blinded him. [1] This is a list of famous historical figures diagnosed with or strongly suspected as having had syphilis at some time. Many people who acquired syphilis were treated and recovered; some died from it.
The tunica albuginea is a dense, [1] [2] blue-white [3] layer of fibrous tissue surrounding the testis. [1] [4] It is the middle of three envelopes forming the capsule of the testis; it is deep to the visceral layer of tunica vaginalis, and superficial to the tunica vasculosa testis (vascular layer of testis).