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).
Velamentous insertion of umbilical cord
An abnormal condition in which the umbilical cord does not insert into the placental mass but, instead, traverses the fetal membranes before it inserts into the umbilical cord. The main danger is vasa previa, a condition in which the blood…
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Show more- Proxy, health care A health care proxy is one form of advance medical directive. Advance medical directives pertain to treatment…
- Tobacco smoking Smoking: The direct inhalation of tobacco smoke, the basis of major health hazards. Long known to cause…
- Pregnancy planning Pregnancy planning: Pregnancy planning addresses issues like nutrition, vitamins, body weight, exercise…
- Breast milk Milk from the breast. Human milk contains a balance of nutrients that closely matches infant requirements for…
- Phrenic pacing See: Diaphragm pacing
- Placental chorioangioma A benign vascular (blood vessel) tumor of the placenta (afterbirth). Large chorioangiomas cause complications…
- Mercury gilding A perilous process for gold-plating in which an amalgam of mercury and gold is applied to an object and then…
- Biological therapy Biological therapy: Treatment to stimulate or restore the ability of the immune (defense) system to fight…
- Due date The estimated calendar date when a baby will be born, the date the baby is due to be born. It is also called…
- Disc, optic The circular area in the back of the inside of the eye where the optic nerve connects to the retina. Also…
- Rate, death The number of deaths in the population divided by the average population (or the population at midyear) is…
- Crick-Brenner experiment An elegant and important experiment performed in 1961 by Francis Crick and Sydney Brenner. The experiment…