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).
Dendrite
A short arm-like protuberance from a nerve cell (a neuron). Dendrites from neurons next to one another are tipped by synapses (tiny transmitters and receivers for chemical messages between the cells). The word 'dendrite' means 'branched…
Read the definitionRandom terms
Show more- Premature contraction of the heart When a single heartbeat occurs earlier than normal. This phenomenon can be within normal limits or represent…
- Duane-radial ray syndrome See: Okihiro syndrome
- Incase A term once used to refer to the medical case of an inpatient
- Ligaments, knee Ligaments are strong, elastic bands of tissue that connect bone to bone. They provide strength and stability…
- Blueberry root See: Blue cohosh
- Syndrome, Creutzfeldt-Jakob Better known as Creutzfeldt-Jakob disease (CJD). A dementing disease of the brain. It is believed due to an…
- Angiosarcoma A type of cancer that begins in the lining of blood vessels. This type of tumor tends to be aggressive, recur…
- Tonometry Tonometry: A standard eye test that determines the fluid pressure inside the eye. Increased pressure is a…
- Heat cramps Heat cramps: Painful muscle spasms in the abdomen, arms, or legs following strenuous activity. The skin is…
- Orgasm The climax of coitus, consisting of a series of involuntary muscle contractions in the anus, lower pelvic…
- APOBEC3G A human protein that interferes with the replication of HIV by incorporating itself into virus particles and…
- Adverse drug reaction See: Adverse reaction