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).
Condom, male
The male condom is a sheath placed over the erect penis before penetration, preventing pregnancy by blocking the passage of sperm. It is a barrier method of contraception. A condom can be used only once. Although some condoms have…
Read the definitionRandom terms
Show more- Chickenpox rash Chickenpox rash: Chickenpox is characterized by a rash, often the first sign of the disease. The rash of…
- Medulloblastoma A type of brain tumor that tends to occur in children, arise in the cerebellum (in the lower part of the…
- JAMA The Journal of the American Medical Association. JAMA began publication in 1883. It now bills itself as 'the…
- Nephritis Inflammation of the kidney. Nephritis can be acute or chronic. Acute nephritis is most commonly caused by…
- Vitamin B3 Vitamin B3 is niacin. Deficiency of niacin causes pellagra. Pellagra was known as the 'disease of the four…
- Lumbar puncture Lumbar puncture: A lumbar puncture or 'LP' is a procedure whereby spinal fluid is removed from the spinal…
- Heart attack Heart attack: The death of heart muscle due to the loss of blood supply. The loss of blood supply is usually…
- Chlamydia A type of bacteria one species of which causes an infection very similar to gonorrhea in the way that it is…
- Osteopathy A system of therapy founded in the 19th century based on the concept that the body can formulate its own…
- SARS Severe acute respiratory syndrome. A severe form of pneumonia which appeared in outbreaks in 2003. See…
- Fomentation A quaint old term for the application of hot packs or the substance so applied. From the Latin 'fovimentum'…
- Gray's Anatomy A book entitled 'Anatomy Descriptive and Surgical' by Henry Gray appeared in 1858. Little could Dr. Gray have…