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).
Sick sinus syndrome
Symptoms of dizziness, confusion, fainting, and heart failure due to a problem with the sinus node of the heart, which acts as the body's natural pacemaker. If the sinus node is not functioning normally, it is reflected in an abnormally…
Read the definitionRandom terms
Show more- Jurisprudence, medical See: Medical jurisprudence
- Enervate 1. To remove part or all of a nerve, a procedure also called a neurectomy. 2. To lose nervous energy and feel…
- Neuroepithelial Having to do with tissue made up of sensory cells that serve in the reception of external stimuli…
- Quasidiploid Describing a cell that seems to have the usual two full sets of 23 chromosomes, but does not. Many malignant…
- Pyridoxine One of the vitamin B6 group (which also includes pyridoxal and pyridoxamine) that is transformed in the body…
- Off-label use In the United States, the regulations of the Food and Drug Administration (FDA) permit physicians to…
- Informed consent A process in which a person learns key facts about a clinical trial, including potential risks and benefits…
- Spina bifida occulta A bony defect in the vertebral column that causes a cleft in that column. The cleft remains covered by skin…
- Macrobiotic Macrobiotic refers to the macrobiota, a region's living organisms (or flora and fauna) large enough to be…
- Philtrum The area from below the nose to the upper lip. Normally the philtrum is grooved. In fetal alcohol syndrome…
- Anatomy, Gray's See: Gray's Anatomy
- Danlos syndrome Better known today as Ehlers-Danlos syndrome (EDS), this is an inherited disorder with easy bruising, joint…