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).
Flu vaccine
Flu vaccine: The flu vaccination (influenza) is recommended for persons at high risk for serious complications from influenza virus infection. This includes: > >Everyone age 65 or more; >People with chronic diseases of the heart; >People…
Read the definitionRandom terms
Show more- Arrhythmias, atrial Abnormal heart rhythm due to electrical disturbances in the atria (the upper chambers of the heart) or the AV…
- Walleye 1. A dense white opacity (leukoma) of the cornea. 2. Divergent strabismus (exotropia) in which the eye turns…
- Bacillus anthracis The bacterium that causes anthrax. Anthrax differs from most bacteria in that they exist in an inactive…
- Acute pain Pain that comes on quickly, can be severe, but lasts a relatively short time. As opposed to chronic pain
- Carpal tunnel release A surgical procedure to relieve pressure exerted on the median nerve within the carpal tunnel (the carpal…
- Olfactory bulb A key part of the olfactory apparatus consisting of a bulbous enlargement of the end of the olfactory nerve…
- Vertebra, second cervical The second cervical vertebra is called the axis. It is so-named because the uppermost cervical vertebra…
- Cervical dystocia Difficult labor and delivery caused by mechanical obstruction at the cervix. Dystocia comes from the Greek…
- Liminal In neurolgy, at the threshold of perception to a sensory stimulus. In other words, just barely perceptible to…
- Goiter Enlargement of the thyroid gland. A goiter is not cancerous. It is simply a thyroid gland that is bigger than…
- Pregnancy, mask of Pigmentation of the cheeks of the face (malar area) that occurs in about half of women during pregnancy. The…
- Galton, Sir Francis English advocate of eugenics, the idea of improving the physical and mental makeup of the human species by…