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).
Subarachnoid hemorrhage
Bleeding within the head into the space between two membranes that surround the brain. The bleeding is beneath the arachnoid membrane and just above the pia mater. (The arachnoid is the middle of three membranes around the brain while the…
Read the definitionRandom terms
Show more- Morton's toe See: Morton's syndrome
- Nerve, tenth cranial The tenth cranial nerve, and one of the most important, is the vagus nerve. All twelve of the cranial nerves…
- Withdrawal, penis A method of contraception, also called coitus interruptus, in which the man withdraws his penis from the…
- Pica A craving for something not normally regarded as nutritive. For example, dirt. Pica is a classic clue to iron…
- Garlic A perennial herb of the lily family cultivated for its pungent, edible bulbs. Garlic has been used with the…
- Study, gastric emptying A gastric emptying study evaluates the emptying of food from the stomach. For a gastric emptying study, a…
- Jurisprudence, medical See: Medical jurisprudence
- A.c. Abbreviation on a prescription meaning before meals; from the Latin 'ante cibum', before meals. This is one…
- Vaccinia, progressive See Progressive vaccinia
- Inheritance, mendelian The manner in which genes and traits are passed from parents to their children. The four modes of Mendelian…
- Pelvis, female See: Female pelvis
- Hex-A deficiency See: Tay-Sachs disease