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).
Arachnophobia
An abnormal and persistent fear of spiders. Sufferers from arachnophobia experience undue anxiety even though they realize the risk of encountering a spider and being harmed by it is small or nonexistent. They may avoid going barefoot and…
Read the definitionRandom terms
Show more- Drug, sulfa One of the sulfonamides, the sulfa-related antibiotics which are used to treat bacterial and some fungal…
- Colposcope A lighted magnifying instrument used by a gynecologist to examine the tissues of the vagina and the cervix…
- Cleidocranial dysostosis >Absent or incompletely formed collar bones (the 'cleido-' part refers to the clavicles, the collar bones)…
- Molecules, recombinant DNA A combination of DNA molecules of different origin that are joined using recombinant DNA technology
- Gamete The sperm or the egg. Each human gamete normally has 23 chromosomes, the haploid number of chromosomes, half…
- Virus, lymphadenopathy-associated Another name for the human immunodeficiency virus (HIV), the cause of AIDS. Please see: Virus, human…
- Binocular diplopia See: Diplopia, binocular
- Pasteurization A method of treating food by heating it to a certain point to kill pathogenic (disease-causing) organisms but…
- Salk vaccine Vaccine against poliomyelitis named for Dr. Jonas Salk who developed and introduced it in 1955. It was the…
- Balanitis Inflammation of the rounded head (the glans) of the penis. Inflammation of the foreskin is called posthitis…
- PRK (photorefractive keratectomy) A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for…
- Disease, Rendu-Osler-Weber See: Hereditary hemorrhagic telangiectasia