Definition

Noun The initial stage of the syphilis infection, characterized by the development of a single, typically painless sore (called a chancre) at the location where the Treponema pallidum bacterium entered the body.

Usage

"Primary syphilis" is a medical term used specifically to describe the first clinical phase of the sexually transmitted infection syphilis. It is used by healthcare professionals in diagnosis, patient education, and medical literature.

Examples

• The patient presented with a genital ulcer, and the diagnosis was primary syphilis.
• Primary syphilis is marked by the appearance of a chancre, which may go unnoticed.
• Treatment during the stage of primary syphilis is highly effective at curing the infection.

Advanced Usage

• The term is often used in contrast with subsequent stages: , , and .
• In epidemiological reporting: "The city noted an increase in reported cases of primary syphilis last quarter."

Variants and Related Words

• Chancre: (Noun) The painless ulcer that is the hallmark sign of primary syphilis.
• Syphilis: (Noun) The name of the overall infectious disease caused by .
• Treponema pallidum: (Noun) The scientific name for the bacterium that causes syphilis.

Synonyms

• Initial stage syphilis
• First-stage syphilis

Related Phrases

• Stage of primary syphilis: A phrase emphasizing the temporal aspect of the disease.
  • The infection was caught in the stage of primary syphilis.

Noun

1. the first stage; characterized by a chancre at the site of infection