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).
Erb palsy
A form of brachial plexus palsy in which there is paralysis of the muscles of the upper arm and shoulder girdle due to an injury to the roots of fifth and sixth cervical roots or the upper part of the brachial plexus, a network of spinal…
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Show more- ALMS1 A gene on chromosome 2p13. Alstrom syndrome is caused by mutation of ALMS1
- Dream, pre-sleep Also called a hypnagogic hallucination, this type of dream is characteristically vivid and occurs as one is…
- Trisomy The presence of three copies of a chromosome rather than the normal two. The most common trisomies in…
- Cascade A sequence of successive activation reactions involving enzymes (enzyme cascade) or hormones (hormone…
- Syndrome, Hermansky-Pudlak (HPS) See: Hermansky-Pudlak syndrome
- Estrogen, designer See: Designer estrogen
- Xerosis Abnormal dryness of the skin (xeroderma), of the conjunctiva of the eye (xerophthalmia), or of the mucous…
- Opiate A medication or illegal drug that is either derived from the opium poppy, or that mimics the effect of an…
- Acaricide An agent, usually a chemical, that kills mites. This class of pesticides is large and includes antibiotic…
- Health physics The science of human health and radiation exposure. Health physics, also called medical physics, is devoted…
- HGD The gene encoding an enzyme called homogentisate 1,2-dioxygenase (also known as homogentisate oxidase). HGD…
- Runt-related transcription factor 1 See: Runx-1