MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Americium
Symbol: Am. A man-made metallic element whose isotopes Am-237 through Am-246 are all radioactive. Americium must be handled with great care to avoid personal contamination. Trace quantities of americium are widely used in smoke detectors…
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Show more- SGA Small for gestational age. SGA infants weigh 2500 g or less at birth and are considered to have intrauterine…
- OHRP The Office of Human Research Protections, the agency responsible for developing, monitoring and exercising…
- Unilateral Having, or relating to, one side. Unilateral is as opposed, for example, to bilateral (which means having, or…
- Homo sapiens The primate species of mammal to which modern humans belong. Homo sapiens is Latin for knowing man or wise man
- Blockers, beta A class of drugs that block beta-adrenergic substances such as adrenaline (epinephrine), a key agent in the…
- Syndrome, acute respiratory distress Better known as ARDS. See: ARDS
- Syncope, heat Sudden dizziness or fainting experienced after exercising in the heat. The skin appears pale and sweaty but…
- Hypothyroidism, congenital Hypothyroidism, congenital: Underactivity of the thyroid gland at birth, resulting in growth retardation…
- Social anxiety disorder Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Aneurysm, saccular An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Thymine (T) One member of the base pair A-T (adenine-thymine) in DNA.
- Diabetes, labile A type of diabetes when a person's blood glucose (sugar) level often swings quickly from high to low and from…