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).
Lymphatic tissue
A part of the body's immune system that helps protect it from bacteria and other foreign entities. Lymphatic tissue is rich in lymphocytes (and accessory cells such as macrophages and reticular cells). The lymphatic tissue includes the…
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Show more- DNA, satellite DNA that contains many tandem (not inverted) repeats of a short basic repeating unit. Satellite DNA is…
- Diarrhea and dermatitis, zinc deficiency Diarrhea and dermatitis, zinc deficiency: Among the consequences of zinc deficiency, dermatitis (skin…
- Nocturnal amblyopia Amblyopia refers to blindness so nocturnal amblyopia is, literally, night blindness. Listed in medical…
- Human Genome Research Institute, National RI): One of the newest of the National Institutes of Health (NIH), NHGRI's mission in formal terms is to…
- Bilateral pneumonia See: Pneumonia, bilateral
- Roundworm A type of parasitic worm that hatches in the intestines and lives there. The eggs of the roundworm usually…
- Osteomyelitis Inflammation of the bone due to infection, for example by the bacteria salmonella or staphylococcus…
- Chronic Obstructive Lung Disease, Global Initiativ See: GOLD
- Plaque 1. An semi-hardened accumulation of substances from fluids that bathe an area. Examples include dental plaque…
- Melanoma, ocular A malignant melanoma arising from a structure within the eye. The most common sites of origin are the…
- Caspase-3 See: Caspase 3
- Fear of nudity An abnormal and persistent fear of nudity is called gymnophobia. Sufferers of this phobia experience undue…