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The Special Topics Medical Dictionary S-U provides comprehensive, reliable definitions for specific medical topics. Whether you are interested in stress management or toddler development, learn what medical terms mean, see images and get related information on various aspects of health and wellness.
Featured Article: Surgical Excision
Surgical excision is the removal of tissue by a doctor or surgeon using a scalpel (sharp knife) or other cutting instrument. Learn about the meaning of surgical excision and other medical terms. See more »
Stuttering And Children
Stuttering in children is a disorder that involves hesitation, repetition, or stumbling while speaking and can be triggered by many causes. Learn more about stuttering in children causes, treatment options, and parenting tips.
See more »Subcutaneous
Subcutaneous means beneath or under the skin; for example, a cyst may be under the skin -- a subcutaneous cyst. Learn more about meaning of subcutaneous and other medical terms.
See more »Surgical Excision
Surgical excision is the removal of tissue by a doctor or surgeon using a scalpel (sharp knife) or other cutting instrument. Learn about the meaning of surgical excision and other medical terms.
See more »Symptomatic
Symptomatic can mean showing symptoms or it may concern a specific symptom present which classifies a patient as symptomatic. Learn more about the uses of the term symptomatic and its meaning.
See more »Syphilis
Syphilis is a congenital infectious disease that exists in three stages each with distinct symptoms. Learn about syphilis stages, causes, symptoms, tests, treatment and prevention.
See more »Syphilis - Primary
Syphilis – primary, the first stage of the syphilis disease, is a mouth or genital ulcer or chancre. Learn about primary syphilis causes, symptoms, treatment and prevention.
See more »Syphilis - Secondary
Syphilis – secondary, the second stage of the syphilis disease, is the spreading of the bacteria through the bloodstream. Learn about secondary syphilis causes, symptoms, treatment and prevention.
See more »Syphilis - Tertiary
Syphilis – tertiary, the third stage of the syphilis disease, is the damage from years of continuous bacteria growth. Learn about tertiary syphilis causes, symptoms, treatment and prevention.
See more »Syphilitic Aseptic Meningitis
Syphilitic aseptic meningitis is brain inflammation as a result of untreated syphilis infections. Learn about syphilitic aseptic meningitis causes, symptoms, treatment and prevention.
See more »Syphilitic Myelopathy
Syphilitic myelopathy is muscle weakness and abnormal sensations from untreated syphilis infections. Learn about syphilitic myelopathy causes, symptoms, treatment and prevention.
See more »Systemic
Systemic is a medical term that means "affecting the entire body," rather than a single organ or body part. Learn more about systemic infections, disorders, and diseases.
See more »Tay-Sachs - Resources
Tay-Sachs resources can be found below and the information provided comes from the organization listed. See more Tay-Sachs resources and organizations associated with the disease.
See more »Teenagers And Acne Medicine
Teenagers and acne medicine is the use of drugs such as Accutane to treat severe cases of acne. Learn more about teenagers and acne medicines, side effects, and risks.
See more »Teething
Teething is the emergence of teeth through the gums of the mouth in infants and young children. Learn more about teething signs and symptoms, treatment options, and risk factors.
See more »Television Watching
Television watching is an experience shared by people of all ages which can have positive or negative effects. Learn more about television watching, potential problems it can cause, and tips for appropriate television watching.
See more »Temper Tantrums
Temper tantrums are undesirable emotional outbursts displayed in response to unmet needs and are natural during early childhood development. Learn more about temper tantrums, prevention methods, and other parenting tips.
See more »Testes
The testes are two egg-shaped male reproductive organs located in the scrotum that produce sperm and testosterone. Learn more about the testes anatomy and functions.
See more »Tetanus - Vaccine
A Tetanus vaccine provides immunity against the bacterial disease tetanus. Learn about tetanus vaccine, benefits, and risks.
See more »Thrombolytic Therapy
Thrombolytic therapy involves the use of drugs that break up blood clots by mimicing the function of natural tissue plasminogen activator. Learn more about thrombolytic therapy treatment options, risks, and benefits.
See more »Thumbsucking
Thumbsucking is the process of sucking on the thumb for oral gratification in infants and is a normal activity with its peak occurrence around age two. Learn more about the thumbsucking process and its role in toddler development.
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