Syphilis!. Treponema pallidum. What Is Syphilis?. A sexually transmitted disease, living in the genital tract, and can be fatal if left untreated. A spirochete, which means it is spiral-shaped. Anaerobic and heterotrophic. Not seen on a gram stain because the bacteria is too thin.
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during sex when coming in contact
with a lesion of an infected person.
Usually asymptomatic so treatment is
not sought out. After 10-90 days a skin
lesion appears where the initial
months after first stage.
Many manifestations of the
disease and it is most
contagious in this stage.
disease without any
symptoms being present.
“gummas” (soft, tumor-
like balls) appear
anywhere in the body,
seen right. They show the
body’s inability to fight off the