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).
Mutation, null
A mutation (a change) in a gene that leads to its not being transcribed into RNA and/or translated into a functional protein product. For example, a null mutation in a gene that usually encodes a specific enzyme leads to the production of…
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Show more- Placental dystocia Difficulty delivering the placenta (the afterbirth). Dystocia comes from the Greek 'dys' meaning 'difficult…
- Campylobacteriosis Disease caused by Campylobacter jejuni, now the leading cause of bacterial food poisoning, most often spread…
- Culture A culture is the propagation of microorganisms in a growth media. Any body tissue or fluid can be evaluated…
- Olefactory Common misspelling of olfactory
- Melanoma vaccine A cancer vaccine prepared from human melanoma cancer cells. It may be used alone or with other therapy in…
- Symptom Any subjective evidence of disease. Anxiety, lower back pain, and fatigue are all symptoms. They are…
- Varco See: Varco, Richard L.
- Beta blocker A class of drugs that block beta-adrenergic substances such as adrenaline (epinephrine) in the 'sympathetic'…
- Kwashiorkor The word kwashiorkor comes from the Ivory Coast. It means the deposed (no longer suckled) child. Kwashiorkor…
- Crown 1. In dentistry, the portion of the tooth that is covered by enamel. 2. Also in dentistry, a type of…
- Roseola infantilis Roseola infantilis: Roseola infantilis is another name for roseola, also formally called roseola infantum…
- Influenza, Asian See: Asian flu