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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Aspirate
To suck in. A patient may aspirate for example by accidentally drawing material from the stomach into the lungs. A doctor can aspirate a joint.
Read the definitionRandom terms
Show more- Encephalopathy, mitochondrial (MELAS) MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Strokelike episodes. MELAS is a…
- DFSP Dermatofibrosarcoma protuberans
- APS (autoimmune polyglandular syndrome) A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…
- Trocar A sharply pointed shaft, usually with a three-sided point. A trocar may be used within a cannula, a hollow…
- Ureaplasma A bacterium that commonly infects the urogenital tract and can cause premature birth or spontaneous abortion…
- Cone A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provide sharp…
- ANLL Acute nonlymphocytic leukemia, More commonly called acute myeloid leukemia (AML). A quickly progressive…
- Fluorescent in situ hybridization An important molecular cytogenetic method for identifying chromosomes and parts of chromosomes, deciphering…
- Helicobacter heilmannii A bacteria that infects most cats, dogs and pigs and, in them, causes stomach inflammation (gastritis). H…
- Durable power of attorney This is a type of advance medical directive in which legal documents provide the power of attorney to another…
- Necrotizing fasciitis A dangerous infection of soft-tissue that starts in the subcutaneous tissue (just below the skin) and spreads…
- Pneumococcus (Streptococcus pneumoniae) A type of bacterium that comes in pairs and is shaped like a lancet (a surgical knife with a short wide…