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).
Quack
1) A practitioner who suggests the use of substances or devices for the prevention or treatment of disease that are known to be ineffective. 2) A person who pretends to be able to diagnose or heal people, but is unqualified and incompetent.
Read the definitionRandom terms
Show more- CT, Ultrafast Electron beam computerized tomography (EBCT), a new (and controversial) noninvasive test for the detection of…
- Fever blister A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…
- Transplant, corneal See: Corneal transplant
- Ovary cyst, follicular A fluid-filled sac in the ovary, the most common type of ovarian cyst. It results from the growth of a…
- Macro- (prefix) Prefix from the Greek 'makros' meaning large or long. Examples of terms involving macro- include macrobiotic…
- Pinosome A tiny fluid-filled vesicle (bubble) within a cell. Pinosomes are created in the process of pinocytosis in…
- Basilar fracture A break in bone at the base of the skull. About a half of basilar fractures are caused by bicycle or motor…
- Balanoposthitis In the uncircumcised male, balanitis (inflammation of the glans, the rounded head of the penis) and posthitis…
- CDHR Center for Devices & Radiological Health, part of the FDA (the US Food & Drug Administration)
- Hyperopia Farsightedness; the ability to see distant objects more clearly than close objects. Hyperopia may be…
- Sleep apnea, obstructive Sleep apnea is a breathing disorder characterized by brief interruptions of breathing during sleep. It owes…
- Collapsed lung Failure of full expansion of a once fully expanded lung. Medically called atelectasis. The word comes from…