MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Thoracic outlet syndrome
Thoracic outlet syndrome: A condition due to compromise of blood vessels or nerve fibers between the armpit (axilla) and base of the neck, usually due to compression of nerves or blood vessels between the neck and shoulders. Symptoms…
Read the definitionRandom terms
Show more- Disease, Kikuchi A disorder that typically causes 'swollen glands' in the neck (cervical lymphadeniopathy) together with fever…
- Segmental arterial Doppler pressures A test that measures the blood pressures in the legs to make sure there is normal blood flow. The test is…
- Papilloma, cutaneous A small tag of skin that may have a stalk (a peduncle). Cutaneous papillomas may appear on the skin almost…
- BSL-2 Biosafety level 2. A level of biosafety considered appropriate for agents that can cause human disease, but…
- Clinical trial See: Clinical trials. See also: Inconclusive clinical trial; Negative clinical trial; Non-inferior clinical…
- Medial meniscus of the knee The word 'meniscus' refers to a crescent-shaped structure. The medial meniscus of the knee is a thickened…
- OSA (obstructive sleep apnea) See: Oscillopsia.
- Transmission, vertical Transmission of a disease-causing agent (a pathogen) vertically from mother directly to baby during the…
- Agent, anti-infective Something capable of acting against infection, by inhibiting the spread of an infectious agent or by killing…
- Blindness, night Impaired vision in dim light and in the dark, due to impaired function of specific vision cells (namely, the…
- Phrenic pacing See: Diaphragm pacing
- Second wave A phenomenon of infections that can develop during a pandemic. The disease infects one group of people first…