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).
Carcinogen
A substance or agent that causes cancer. Related terms include the adjective 'carcinogenic' and the nouns 'carcinogenesis' and 'carcinogenicity.' One of the best-known carcinogens is ionizing radiation. The International Agency for…
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Show more- Ovary The female gonad, the ovary is one of a pair of reproductive glands in women. They are located in the pelvis…
- CSF (colony-stimulating factor) A laboratory-made agent similar to a substance in the body that stimulates the production of blood cells. The…
- Octogenarian Someone in his or her eighties, that is, between 80 and 89 years of age. See also: Age by decade
- Syndromic Part of a syndrome. Hearing loss, for instance, can be syndromic or nonsyndromic
- Deafness, congenital Deafness, congenital: Loss of hearing present at birth. Congenital deafness contrasts to acquired deafness…
- Fever, spotted Fever, spotted: Also known as Rocky Mountain spotted fever. An acute febrile (feverish) disease initially…
- Asian flu A pandemic of influenza A (H2N2) in 1957-58. First identified in China in late February 1957, the Asian flu…
- Periodontal The word 'periodontal' literally means 'around the tooth.' Periodontal diseases are bacterial infections that…
- EMT A rash inside the body. An example: the spots in measles (Koplik's spots) inside the mouth that look like a…
- Femoral artery A large artery that starts in the lower abdomen and goes down into the thigh The femoral artery starts as a…
- HTLV-I Human T-lymphotropic virus type I, often referred to simply as the human T-lymphotropic virus (HTLV). HTLV-II…
- Pituitary 1. As an adjective, pertaining to the pituitary gland or its hormonal secretions. 2. As a noun, the pituitary…