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).
Central retinal vein
The blood vessel that carries blood away from the retina of the eye. The counterpart to the central retinal vein is the central retinal artery, the blood vessel that carries blood into the eye and supplies nutrition to the retina.
Read the definitionRandom terms
Show more- Hypertrophic gastritis See: Giant hypertrophic gastritis
- Inbreeding, coefficient of A measure of how close two people are genetically to each another. The coefficient of inbreeding, symbolized…
- Left ventricular assist device See: Ventricular assist device
- Premie Short and slangy for a premature baby. A preterm infant. Also often spelled (for obscure reasons) preemie.
- Activated leukocyte cell adhesion molecule See: ALCAM
- Heroin addiction Physical addiction to heroin, often with concurrent use of other opiates when heroin itself is not available…
- Snuff Tobacco in the form of a powder that is inhaled into the nose, not smoked. Snuff and chewing tobacco are the…
- Vasa previa A condition in which blood vessels within the placenta or the umbilical cord are trapped between the fetus…
- Troche A small medicated lozenge designed to dissolve. For example, to soothe the throat as a cough drop. Strictly…
- Bladder pain Pain from the urinary bladder. Among the symptoms and signs of bladder infection are: > >feelings of pain…
- Infection, pinworm An infection caused by a small, white intestinal worm: the pinworm or, more formally, Enterobius…
- Kinome A subset of the genome consisting of the protein kinase genes. The complete complement of over 500 protein…