sexually transmitted disease in men Sexually transmitted disease (STD) as it affects men. Men can contract all the known STDs but may have no symptoms or have different symptoms than women do. For example, most men who have chlamydia have no symptoms at all but can easily pass the infection on to their sexual partners.
sexually transmitted disease Any disease that is transmitted via sexual contact; is caused by microorganisms that survive on the skin or mucous membranes of the genital area; or is transmitted via semen, vaginal secretions, or blood during intercourse. Abbreviated STD. Because the genital area provides a moist, warm environment that is especially conducive to the…
sexual addiction Having an unusually intense sex drive or obsession with sex that is disruptive and dominates the addict’s thinking and daily life. Associated behaviors may include voyeurism, compulsive masturbation, unsafe sex practices, and having multiple or anonymous partners. Sexual addiction can be associated with risk-taking behaviors. For some, the addiction involves illegal activities, such…
severe congenital neutropenia One of several genetic disorders of the bone marrow that is evident at birth and characterized by a lack of neutrophils (a type of white blood cells that are important in fighting infection). Children with severe congenital neutropenia suffer from frequent bacterial (but not viral or fungal) infections. They are also at…
severe acute respiratory syndrome (SARS) A serious, sometimes fatal, form of pneumonia due to a novel coronavirus. SARS first appeared in an outbreak late in 2002.
Sever condition See apophysitis calcaneus.
seventh cranial nerve paralysis See Bell’s palsy.
seventh cranial nerve See facial nerve.
seven-day measles See measles.
sesamoid bone A little bone that is embedded in a joint capsule or tendon. For example, the kneecap (patella) is a sesamoid bone.
serum hepatitis See hepatitis B.
serum glutamic pyruvic transaminase See alanine aminotransferase.