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).
Prion disease
A disease due to a prion, a proteinaceous infectious particle that lacks nucleic acids. Prions are composed largely, if not entirely, of an altered formal (an abnormal isoform) of a normal cellular protein. The known prion diseases of…
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Show more- Sarcoma, Kaposi Sarcoma, Kaposi: A relatively rare type of skin malignancy that tends to afflict elderly people or…
- Chromosome 4p- syndrome The 4p- syndrome or Wolf-Hirschhorn syndrome, is a chromosome disorder due to partial deletion of the short…
- Sign, Gottron A scaly, patchy redness over the knuckles seen in patients with dermatomyositis, an inflammatory muscle…
- Gallbladder absence This condition, also known as agenesis (failure of development) of the gallbladder, occurs in approximately…
- Fear of heat Thermophobia. An abnormally excessive and persistent fear of heat, including hot weather and hot objects…
- Day sight Night blindness. Listed in medical dictionaries under 'Nyctalopia' from the Greek 'nyct' (night) + 'aloas'…
- Dia- Prefix taken straight from the Greek meaning 'through, throughout, completely' as in diachronic, diagnosis…
- Flood aftermath >Power and Gas -- Electrical power and natural gas or propane tanks should be shut off to avoid fire…
- Adult T-cell leukemia Abbreviated ATL. A malignancy of mature T lymphocytes (T cells) with its onset in adulthood caused by…
- MIC-1 Macrophage inhibitory cytokine 1. A divergent member of the transforming growth factor beta superfamily…
- Trochanter One of the bony prominences toward the near end of the thigh bone (the femur). There are two trochanters: >…
- Oral contraceptive, combined Commonly called 'the pill,' combined oral contraceptives are the most commonly used form of reversible birth…