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).
Viable
Capable of life. For example, a viable premature baby is one who is able to survive outside the womb.
Read the definitionRandom terms
Show more- Contralateral On the other side. The contralateral breast is the breast on the other breast. A stroke affecting the right…
- Syndrome, premenstrual See Premenstrual syndrome
- Infraspinatus muscle >The infraspinatus muscle; >The teres minor muscle, which (like the infraspinatus muscle) helps in the…
- Afferent vessel A vessel that carries blood toward the heart. A vein or venule
- Saline Relating to salt. As an adjective, 'saline' means 'salty, containing salt.' As a noun 'saline' is a salt…
- Chemoprophylaxis The use of a chemical agent to prevent the development of a disease. See: Chemoprevention
- Quater in die (on prescription) Seen on a prescription, qid (or q.i.d.) means 4 times a day (from the Latin quater in die). The abbreviation…
- Syndrome, chromosome 4 short-arm deletion This syndrome, called the Wolf-Hirschhorn syndrome, is a chromosome disorder due to partial deletion of the…
- Placebo Also called the placebo response. A remarkable phenomenon in which a placebo -- a fake treatment, an inactive…
- LOD score In genetics, a statistical estimate of whether two loci (the sites of genes) are likely to lie near each…
- Papilla, fungiform The fungiform papillae are broad flat structures that house taste buds in the central portion of the dorsum…
- Aneurysm, arteriosclerotic See: Arteriosclerotic aneurysm