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).
Pericentric chromosome inversion
A basic type of chromosome rearrangement in which a segment that includes the centromere (and so is pericentric) has been snipped out of a chromosome, turned through 180 degrees (inverted), and inserted back into its original location in…
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Show more- Avastin The first drug in a new class designed to treat cancer by compromising its blood supply. Avastin…
- Disease, sixth A viral disease of infants and young children with sudden onset of high fever which lasts several days and…
- Merkel cell carcinoma Carcinoma: An infrequent but highly malignant type of skin cancer. Characteristically starts in a sun-exposed…
- C-section Short for Caesarian section, a procedure in which a baby, rather than being born vaginally, is surgically…
- Antibiotic A drug used to treat infections caused by bacteria and other microorganisms. Originally, an antibiotic was a…
- Fear of public places This irrational fear is called agoraphobia. It applies to open areas, especially those from which escape…
- Crocodile tears syndrome Spontaneous tearing in parallel with the normal salivation of eating. The crocodile tears syndrome occurs…
- Angina, Vincent Angina, Vincent: This is trench mouth, a progressive painful infection with ulceration, swelling and…
- Tanapox A poxvirus infection common in equatorial Africa. The disease starts with mild fever for 2 to 4 days…
- Hereditary mutation Mutation: A heritable change in the DNA of a gene or chromosome in a cell destined to become an egg or a…
- Heart failure Heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure of the…
- Bony tarsus The bony tarsus is made up of 7 bones that are situated between the bones of the lower leg and the metatarsus…