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).
Onychomycosis, proximal white subungual
The rarest form of fungus infection of the finger or toenail. (Fungus infection of the finger or toenail is also called onychomycosis.) The infection begins in the nail fold (the portion of the nail opposite the tip of the finger)…
Read the definitionRandom terms
Show more- Aneurysm, brain An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Syndrome, joint hypermobility See Syndrome, hypermobility
- Tumor necrosis factor A member of a superfamily of proteins, each with 157 amino acids, which induce necrosis (death) of tumor…
- Hyperbaric Pertaining to gas pressures greater than 1 atmosphere* of pressure. Also pertaining to solutions that are…
- Nerve block See: Neuron.
- Sequester 1. In medicine, to set apart, detach or separate a small portion of tissue from the rest. 2. In bone, for a…
- Caudal block See Caudal anesthesia
- Liquor cerebrospinalis See: Cerebrospinal fluid
- Pregnancy, hyperemesis of Excessive vomiting during pregnancy which, by definition, leads to the loss of 5% or more of the body weight…
- DFSP Dermatofibrosarcoma protuberans
- Nocebo A negative placebo effect as, for example, when patients taking medications experience adverse side effects…
- Tympano- Prefix indicating a relationship to the ear drum (tympanum). For example, tympanometry is a test that…