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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Single-blind
Term used to described a study in which either the investigator or the participant, but not both of them, is unaware of the nature of the treatment the participant is receiving. Also called single-masked
Read the definitionRandom terms
Show more- Resting phase More appropriately called interphase. The interval in the cell cycle between two cell divisions when the…
- Mydriasis Dilation of the pupils induced by eyedrops. The opposite of miosis.
- Basilar fracture A break in bone at the base of the skull. About a half of basilar fractures are caused by bicycle or motor…
- Tick bite A bite from a bloodsucking, parasitic insect that punctures the skin with a sharp beak. The tic burrows into…
- Air-conditioner lung A form of the sick building syndrome caused by organisms that contaminate humidifiers and the piping of air…
- Obstetrician/gynecologist An obstetrician is a physician who delivers babies and is in the practice of obstetrics while a gynecologist…
- Factor V Leiden A genetic disorder of blood coagulation (clotting) that carries an increased risk of venous thromboembolism…
- Acute mountain sickness (AMS) Acute mountain sickness (AMS) is the effect on the body of being in a high altitude environment. AMS is…
- Unwell Not well or in good health, ailing, sick, indisposed. For example, 'I am well-nigh choked with the sulfurous…
- Facial nerve The facial nerve is the seventh cranial nerve. It is a mixed nerve that has fibers both going out and coming…
- Oscillopsia Oscillating vision. Swinging vision. In oscillopsia, objects seem to swing, move back and forth, jerk, or…
- Anterior pituitary The front portion of the pituitary, a small gland in the head called the master gland. Hormones secreted by…