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).
Prokaryote
A unicellular organism lacking a nuclear membrane, a discrete nucleus, and other specialized compartments within the cell. Bacteria and viruses are prokaryotes. It appears that life arose on earth about 4 billion years ago. The simplest of…
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Show more- Protein C deficiency Protein C is a protein in plasma that enters into the cascade of biochemical events leading to the formation…
- Error, beta The statistical error (said to be 'of the second kind' or type II) made in testing an hypothesis when it is…
- Filial 1. In genetics, the first generation that results from the crossing of two parental lines, as the filial…
- Enzyme, Warburg's yellow A key respiratory enzyme discovered by the German biochemist Otto Heinrich Warburg (1883-1970), a pioneer in…
- Poikiloderma atrophicans with cataract Better known as the Rothmund-Thomson syndrome, this is an hereditary disease characterized by progressive…
- Blastomycosis Infection with a fungus called Blastomyces dermatitidis. The infection causes symptoms in about 50% of cases…
- Exchange, gas The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the…
- Parathyrin A small tumor of the parathyroid gland and the most common disorder of the gland. Parathyroid adenomas are…
- Plexus, brachial See: Brachial plexus
- Anemic Relating to anemia, the condition of having less than the normal number of red blood cells or less than the…
- Cochlear implant A small complex electronic device that is surgically placed (implanted) within the inner ear to help persons…
- Endometrial biopsy Endometrial biopsy: A procedure for sampling the lining of the uterus (the endometrium). Endometrial biopsy…