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).
Vesicant
A substance that causes tissue blistering. A blister agent. Also called a vesicatory.Vesicants are highly reactive chemicals that combine with proteins, DNA, and other cellular components to result in cellular changes immediately after…
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Show more- Marmoreal Resembling marble. For example, the bone in osteoporosis appears marmoreal. From the Latin noun 'marmor'…
- Microalbuminuria 1. Generally, a subtle increase in the urinary excretion of the protein albumin that cannot be detected by a…
- Slipped spine See: Spondylolisthesis
- Tache noire Black spot (in French), a small ulcer covered with a black crust at the site of a tick bite, characteristic…
- Interleukin-1 A protein produced by various cells, including macrophages, interleukin-1 raises body temperature, spurs the…
- Functional hemispherectomy A functional hemispherectomy is a variation of a hemispherectomy, a radical procedure in which one entire…
- Pubic lice Parasitic insects found in the genital area of humans. Pubic lice are usually spread through sexual contact…
- Glioma, visual pathway See Visual pathway glioma
- Inversion, paracentric chromosome A basic type of chromosome rearrangement in which a segment that does not include the centromere (and so is…
- Parasomnia A sleep disorder in which odd or dangerous events occur that intrude on sleep. The parasomnias include sleep…
- UROD deficiency Lack of the enzyme uroporphyrinogen decarboxylase (UROD) which is the basic cause of porphyria cutanea tarda…
- Head and neck cancer Head and neck cancer: The common carcinomas of the oral cavity, pharynx, and larynx as well as other tumors…