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.
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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).
Radiation during pregnancy
See: Prenatal radiation exposure
Read the definitionRandom terms
Show more- Miosis Contraction of the pupil. The opposite of mydriasis.
- Rash Rash: Breaking out (eruption) of the skin. Medically, a rash is referred to as an exanthem.
- Phthisis A good trivia or crossword item. An over-consonanted Greek word meaning 'a dwindling or wasting away.'…
- Elective surgery Surgery that is subject to choice (election). The choice may be made by the patient or doctor. For example…
- Syndrome, adult respiratory distress Better known as ARDS. See: ARDS
- Disease, fifth See Gaucher disease, type 1.
- Afferent vessel A vessel that carries blood toward the heart. A vein or venule
- Benign prostatic hypertrophy Recurring meningitis without identifiable cause that leaves no residual damage to the nervous system. Benign…
- Olivopontocerebellar Pertaining to three particular parts of the brain -- namely, the oliva, the pons, and the cortex of the…
- Cranial nerve, eleventh The eleventh cranial nerve is the accessory nerve. The twelve cranial nerves, the accessory nerve included…
- RNA silencing See: RNA inactivation; and RNA interference
- Atrophy Wasting away or diminution. Muscle atrophy is wasting of muscle, decrease in muscle mass. A nerve can also…