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).
Fire gilding
A perilous process for gold-plating in which an amalgam of mercury and gold is applied to an object and then exposed to heat to vaporize the mercury and leave the gold behind in a thin layer. Fire gilding also is applicable to plating…
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Show more- Roentgen, Wilhelm Wilhelm Conrad Rontgen (1845-1923), German-born, Dutch-educated physicist who first observed and documented…
- Pericardial effusion Too much fluid within the pericardium, the fibrous sac that surrounds the heart. The pericardium normally…
- Subconjunctival hemorrhage Hemorrhage: A very common cause of a painless bloody eye usually first noticed by somebody else or by the…
- Syncope The temporary loss of consciousness upon coughing. Syncope is the temporary loss of consciousness or, in…
- Fascia A flat band of tissue below the skin that covers the underlying tissues and separates different layers of…
- Candidate gene Any gene thought likely to cause a disease. The gene may be a candidate because it is located in a particular…
- Absorption Uptake. In the biomedical sciences, absorption has diverse specific meanings. In the body, absorption is the…
- Prolactin A hormone secreted by the pituitary gland. Prolactin stimulates lactation (milk production). It also has many…
- Extravasate To exude from or pass through the walls of a vessel into the surrounding tissues. Blood, lymph, or urine can…
- Hyperextensible Unusually capable of being extended and stretched. Hyperextensible skin is a feature of Ehlers-Danlos syndrome
- Insulin Insulin: A natural hormone made by the pancreas that controls the level of the sugar glucose in the blood…
- Fear of going to bed An abnormal and persistent fear of going to bed. Sufferers of this fear experience anxiety even though they…