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A sexually transmitted infection (STI), also referred to as a sexually transmitted disease (STD) and the older term venereal disease (VD), is an infection that is spread by sexual activity, especially vaginal intercourse, anal sex, oral sex, or sometimes manual sex.
Chlamydia bacteria have the ability to establish long-term associations with host cells. When an infected host cell is starved for various nutrients such as amino acids (for example, tryptophan ), [ 31 ] iron , or vitamins , this has a negative consequence for chlamydia bacteria since the organism is dependent on the host cell for these nutrients.
Afrikaans; Anarâškielâ; العربية; Aragonés; অসমীয়া; Azərbaycanca; تۆرکجه; বাংলা; Башҡортса; Беларуская
Pie charts of typical human body composition by percent of mass, and by percent of atomic composition (atomic percent) Body composition may be analyzed in various ways. This can be done in terms of the chemical elements present, or by molecular structure e.g., water , protein , fats (or lipids ), hydroxyapatite (in bones), carbohydrates (such ...
According to Kukushkin, the memories stored in non-brain cells in other parts of the body are memories strictly related to the roles that those specific cells play in human health. Thus, he detailed:
Chlamydia trachomatis (/ k l ə ˈ m ɪ d i ə t r ə ˈ k oʊ m ə t ɪ s /) is a Gram-negative, anaerobic bacterium responsible for chlamydia and trachoma. C. trachomatis exists in two forms, an extracellular infectious elementary body (EB) and an intracellular non-infectious reticulate body (RB). [2]
The U.S. reported over 2.4 million new STI cases in 2023, meaning the population contracted over a million more cases than in 2004, according to the U.S. Centers for Disease Control and Prevention ...
When used for protection against STDs and STIs, male condoms offer 90 percent protection against human immunodeficiency virus (HIV), hepatitis B, and gonorrhea, making them crucial for STI and HIV ...