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).
Probiotic
A microbe that protects its host and prevents disease. The best-known probiotic is Lactobacillus acidophilus, which is found in yogurt, acidophilus milk, and supplements. Probiotics counter the decimation of helpful intestinal bacteria by…
Read the definitionRandom terms
Show more- Hg Symbol for the metallic element mercury. The abbreviation 'mm Hg' means millimeters of mercury, the height of…
- Bell, Sir Charles See: Bell, Charles
- Apolipoprotein A-I APOA-I. The major protein component of HDL (high density lipoprotein) and a relatively abundant plasma…
- Representational oligonucleotide microarray The production of offspring. Reproduction need not be sexual. Yeast can reproduce by budding.
- Muscle Muscle is the tissue of the body which primarily functions as a source of power. There are three types of…
- Nocturnal enuresis Bedwetting at night. From the Greek 'enourin' meaning 'to urinate in.'
- Hepatocellular carcinoma A tumor in which the cancer starts during adulthood in cells in the liver. Also called adult primary liver…
- Mouse, deer See: Deer mouse
- Vaginosis, bacterial See: Bacterial vaginosis
- Catheter, pulmonary artery A light flexible balloon-tipped tube that is introduced into the pulmonary artery (the artery from the right…
- Anger An emotional state that may range in intensity from mild irritation to intense fury and rage. Anger has…
- ALCAM A receptor expressed on T cells which is involved in the adhesion of cells. ALCAM stands for activated…