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).
A-
Prefix very much employed in medicine and all of the health sciences, indicating 'not, without, -less' as, for example, in alexia (not read), aphagia (not eat), aphonia (not voice, voiceless). The 'a-' usually becomes 'an-' before a vowel…
Read the definitionRandom terms
Show more- Torsion dystonia A form of dystonia known as early-onset torsion dystonia (also called idiopathic or generalized torsion…
- Brachial paralysis See: Brachial plexus palsy
- Fecal Relating to the feces, the stool. The excrement discharged from the intestines. From the Latin 'faex' and…
- Laminectomy A surgical procedure in which the posterior arch of a vertebra is removed. Laminectomy is done to relieve…
- Hydrazine Hydrazine sulfate, an alternative medicine that has been claimed to be a treatment for cancer. It has been…
- Stevens-Johnson syndrome See: Stewart, Alice.
- Cloning, DNA The use of DNA manipulation procedures to produce multiple copies of a single gene or segment of DNA
- Control (research) In research, control subjects or control procedures permit comparison with experimental results. The first…
- Disease, Meniere A condition with recurrent vertigo accompanied by ringing in the ears (tinnitus) and deafness. Symptoms…
- Dipper A person in whom there is the normal nocturnal fall (dip) in blood pressure. The opposite of a dipper is a…
- Brachytherapy Brachytherapy: Radiation treatment given by placing radioactive material directly in or near the target…
- Fever, Southeast Asian hemorrhagic A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…