MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Cerebral herniation
The abnormal protrusion of brain tissue through an opening when there is increased intracranial pressure (when the brain is under increased pressure). The increased pressure may be due to a number of causes including inflammation of the…
Read the definitionRandom terms
Show more- SV40 Simian virus 40, a polyomavirus found in simians (nonhuman primates), SV40 has no relationship to the human…
- Deafness, age-related See: Presbycusis
- Hypnic headache A relatively rare form of headache disorder in which the patient is awakened from sleep nightly, usually…
- ALOX5AP Arachidonate 5-lipoxygenase-activating protein. See: FLAP
- Flu, Spanish See: Spanish flu
- Quadriplegia Paralysis of all four limbs, both arms and both legs, as from a high spinal cord accident or stroke.
- Red corpuscles Red corpuscles are cells that carry oxygen in the blood. They are also called red blood cells or 'RBCs.'
- Withdrawal symptoms Abnormal physical or psychological features that follow the abrupt discontinuation of a drug that has the…
- Surveillance and containment See: Ring vaccination
- Lethal Deadly, fatal, capable of causing death, death-dealing. The word 'lethal' comes from the Latin 'letum'…
- Cerebral vascular disease See: Cerebrovascular disease
- United Network for Organ Sharing (UNOS) The nationwide umbrella for transplantation organ sharing in the U.S. UNOS states that it is 'a private…