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sexual offense, sex offense

Any legally prohibited sexual behavior, including, e.g., exhibitionism, necrophilia, rape, and sexual abuse of a minor. SYN: sex crime.

sexual preference

The sexual orientation one prefers in choosing his or her sex partners.

sexual stimulant

Any drug, e.g., alcohol used in modest amounts, or pheromone that acts as an aphrodisiac for humans or animals.

sex worker, sex trade worker

One who works in the sex industry. Some people use sex worker to avoid invoking the stigma of prostitute. Sex worker is often considered a synonym or euphemism for prostitute, but it is more general. The term applies to everyone in the sex industry who either provides direct sexual services or is a staff member. Some sex workers (such as prostitutes and escorts) are paid to engage in sex acts that involve physical contact of varying degrees with clients. Pornography models and actors engage in sex acts that are digitally recorded, filmed, or photographed. Phone sex operators have sexually oriented conversations with clients and engage in sexual roleplaying over the telephone. Other sex workers engage in live sexual performances (such as web cam sex, sex shows, erotic dances, striptease, lap dancing, pole dancing, etc.). SEE: prostitution; sex industry.

Sézary, Albert

(sā″ză-rē′) Fr. dermatologist, 1880–1956.

S. cell A T lymphocyte that contains an abundance of vacuoles filled with a mucopolysaccharide; present in the blood of patients with cutaneous T-cell lymphoma who develop Sézary syndrome.

S. syndrome An advanced stage of cutaneous T-cell lymphoma in which there is widespread involvement of the skin and systemic circulation of malignant cells. SEE: cutaneous T-cell lymphoma.


small for gestational age.


Society of General Internal Medicine.


Surgeon-General’s Office.


serum glutamic-oxaloacetic transaminase.


serum glutamic pyruvic transaminase. This liver enzyme is now called alanine aminotransferase.


serum hepatitis.


[AS. sceaduwe] Achromocyte.


A technique to increase the definition of the material being examined by use of electron microscopy. The object is sprayed from an oblique angle with a heavy metal.


In radiology, loss of the ability to visualize a body structure because of interference by another part.


[AS. sceaft] 1. The principal portion of any cylindrical body. 2. The diaphysis of a long bone.


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