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).
Parietal bone
The main side bone of the skull. Although the parietal bone is curved, it is considered a flat bone, as opposed to a tubular bone. It is shaped like an irregular quadrangle. It articulates (joins) with the other parietal bone in the…
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Show more- Syndrome, Edwards This is trisomy 18 syndrome. There are three instead of the normal two chromosomes #18. Children with this…
- Gullet The esophagus. The words esophagus and gullet differ in origin. Esophagus comes from the Greek whereas gullet…
- Protease inhibitor One of a class of anti-HIV drugs designed to inhibit the enzyme protease and thereby interfere with virus…
- Exopeptidase An enzyme that catalyzes the cleavage of the terminal (last) or next-to-last peptide bond from a polypeptide…
- Pronucleus A cell nucleus with a haploid set of chromosomes (23 chromosomes in humans) resulting from meiosis (germ-cell…
- Clotbuster An informal term for a drug that can dissolve a clot. See: Thrombolytic agent
- Mastectomy, preventative Removal of one or both breasts without the current presence of cancer. This surgery is sometimes chosen as a…
- Keratitis, vaccinia See Vaccinia keratitis
- Genetics The scientific study of heredity. Genetics pertains to humans and all other organisms. So, for example, there…
- Optician A specialist in fitting eyeglasses and making lenses to correct vision problems. An optometrist performs eye…
- Talc A very soft, soapy-feeling mineral that is a silicate of magnesium, sometimes with small amounts of aluminum…
- Skin test for allergy Allergy: Teste on the skin to identify the allergy substance (the allergen) that is triggering the allergic…