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).
Hyperchloremia
Elevated blood levels of chloride. Chloride is the major anion found in the fluid outside of cells and in blood. An anion is the negatively charged part of certain substances such as table salt (NaCl) when dissolved in liquid. Sea water…
Read the definitionRandom terms
Show more- Suppurative arthritis The part of the larynx above the glottis (where the vocal cords are located). The supraglottic larynx…
- Gerstmann-Straussler-Scheinker disease See: Gerstmann-Sträussler-Scheinker syndrome
- Disease, subclinical An illness that stays below the surface of clinical detection. A subclinical disease has no recognizable…
- Ile Isoleucine. See also: Amino acid symbols
- Autoimmune hemolytic anemia A condition in which the immune system attacks the red blood cells, resulting in fewer of these…
- Pulled elbow See: Nursemaid's elbow
- Contact dermatitis A skin condition caused by contact between skin and some substance. Includes irritant contact dermatitis (a…
- Non-rapid eye movement sleep Sleep: NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- QT syndrome, long An inherited defect in the heart rhythm. In the US alone, it is estimated that 4,000 children and young…
- Vulvar pain, chronic Also called essential vulvodynia (literally means 'painful vulva'), pain in the vulva, the female external…
- Hypothyroidism, infantile Hypothyroidism (subnormal activity of the thyroid gland) that starts after birth and is manifest by features…
- Popcorn worker lung See: Popcorn worker's lung