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).
Hippocampus
An area buried deep in the forebrain that helps regulate emotion and memory. Functionally, the hippocampus is part of the olfactory cortex, that part of the cerebral cortex essential to the sense of smell. Certain antidepressants (such as…
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Show more- Formication The illusion or hallucination that ants or other insects are creeping on or under the skin. Formication is a…
- Atrial septal defect (ASD) A hole in the septum, the wall, between the atria, the upper chambers of the heart. Commonly called an ASD…
- Mitral regurgitation Backflow of blood from the left ventricle to the left atrium of the heart due to mitral insufficiency from…
- Cardiomyopathy, hypertrophic Heart disease. A nonspecific term applicable to any and all diseases of the heart. From cardio- + the Greek…
- Neonatology The art and science of caring medically for the newborn.
- Menstrual cramps Menstrual cramps: Cramping in the lower abdomen, usually in the first or second day of the menstrual cycle…
- Test, fecal occult blood Fecal occult blood: A test to check for hidden blood in the feces, the stool
- Tarsal cyst Also called a Meibomian cyst or a chalazion. A tarsal cyst is an inflammation of the oil gland of the eyelid
- Sterilization, male surgical Male surgical sterilization is done by vasectomy which involves sealing, tying or cutting a man's vas…
- Scratch test for allergy A mammogram (an X-ray of the breast) in women who have no signs of breast cancer. It usually involves two…
- Pain, shoulder See: Shoulder pain
- Yard In length, 3 feet or 36 inches or, metrically, 91.44 centimeters. The yard, along with the foot and inch, are…