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).
Booster shot
An additional dose of a vaccine needed periodically to 'boost' the immune system. For example, a booster shot of the tetanus and diphtheria (Td) vaccine is recommended for adults every 10 years
Read the definitionRandom terms
Show more- Exhaustion, heat A warning that the body is getting too hot. The person may be thirsty, giddy, weak, uncoordinated, nauseous…
- Virus, human papilloma JC virus.
- Vaginal yeast infection Infection of the vagina caused by a fungus known as Candida. A yeast vaginal infection is characterized by…
- Mediterranean diet >High consumption of fruits, vegetables, bread and other cereals, potatoes, beans, nuts and seeds; >Olive oil…
- Dysplasia, faciogenital See: Aarskog-Scott syndrome
- Test, exercise A test (sometimes called the treadmill test or exercise treadmill test) in which a continuous…
- Hydrocephalus, congenital Hydrocephalus present at birth
- Ventricular assist device A mechanical pump that takes over the function of the damaged ventricle of the heart and restores normal…
- Punch biopsy A biopsy performed using a punch, an instrument for cutting and removing a disk of tissue. For example, a…
- Myxomata The plural (along with myxomas) of myxoma
- Mumps Mumps: An acute (sudden, shortlived) viral illness that usually presents with inflammation of the salivary…
- Balloon angioplasty Coronary angioplasty is accomplished using a balloon-tipped catheter inserted through an artery in the groin…