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).
Foramen of Magendie
An opening from the fourth ventricle, which is one in a system of four communicating cavities called ventricles within the brain that are continuous with the central canal of the spinal cord. The four ventricles consist of the two lateral…
Read the definitionRandom terms
Show more- Vomit Matter from the stomach that has come up into and may be ejected beyond the mouth, due to the act of…
- Leukemia, smoldering A condition in which the bone marrow does not function normally. It does not produce enough blood cells. This…
- Prostatitis, nonbacterial Prostatitis, nonbacterial: Inflammation of the prostate not due to bacterial infection. The prostate is a…
- Charcot-Marie-Tooth disease A genetic disease of nerves characterized by progressively debilitating muscle weakness, particularly of the…
- Artificial insemination by husband (AIH) A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Period, gestation The period of development of the young from the time of conception until birth. For humans the full gestation…
- Allergic rhinitis Medical term for hay fever, a condition due to allergy that mimics a chronic cold. (Hay fever is a misnomer…
- Dual energy X-ray absorptometry Abbreviated DEXA. See: DXA
- Oscillopsia Oscillating vision. Swinging vision. In oscillopsia, objects seem to swing, move back and forth, jerk, or…
- Para- (prefix) A prefix with many meanings, including: alongside of, beside, near, resembling, beyond, apart from, and…
- Herniorrhaphy The surgical repair of a hernia. Herniorrhaphy may be done under local or general anesthesia using a…
- Development, Human, . . . (NICHD) Of Child Health and (NICHD): One of the US National Institutes of Health, NICHD is in a sense the NIH for…