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).
H. flu
Haemophilus influenzae type B
Read the definitionRandom terms
Show more- Lower motor neuron A nerve cell that goes from the spinal cord to a muscle. The cell body of a lower motor neuron is in the…
- Schedules, Gesell Developmental A measure of child development devised by the American child psychologist and pediatrician Arnold Gesell…
- Off-pump surgery A technique for heart surgery designed to avoid use of the heart-lung machine. The technique permits surgery…
- Osler-Rendu-Weber syndrome See: Hereditary hemorrhagic telangiectasia
- Primary teeth The first teeth which are shed and replaced by permanent teeth. The first primary tooth comes in at about 6…
- Diploid The number of chromosomes in most cells of the body. This number is 46 in humans. It is naturally twice the…
- Adenitis Inflammation of a gland. From the aden-, gland + -itis, inflammation
- Antisense DNA DNA normally has two strands, i.e., the sense strand and the antisense strand. In double-stranded DNA, only…
- Giant hypertrophic gastritis A premalignant disorder of the stomach characterized by overgrowth of the stomach lining (the gastric mucosa)…
- Oxycodone Oxycodone: Oxycodone is the active ingredient in OxyContin. Oxycodone is an opioid, a close relative of…
- Aspirin A good example of a tradename that entered into the language, Aspirin was once the Bayer trademark for…
- Subclavian steal An illness that stays below the surface of clinical detection. A subclinical disease has no recognizable…