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).
Phagocyte
A cell that can engulf particles such as bacteria, other microorganisms, aged red blood cells, foreign matter, etc. The principal phagocytes include the neutrophils and monocytes (types of white blood cells). The prefix 'phago-' comes from…
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Show more- Nerve compression 'Pinching' a nerve by putting too much pressure on it. For example, the sciatic nerve may be painfully…
- Gonarthritis Inflammation of the knee joint
- Abiotrophy Loss of function or degeneration for reasons unknown. For example, cerebellar abiotrophy may affect…
- Tympany A hollow drum-like sound produced when a gas-containing cavity is tapped sharply. Tympany is heard if the…
- Occupational Safety and Health Administration OSHA, an agency of the US government (under the Department of Labor) with the responsibility of ensuring…
- Ophthalmitis Inflammation of the eye. Also known as ophthalmia
- Underload syndrome Literally being 'bored sick.' Lack of stimulation in life (such as with an extremely dull job) can result in…
- Cerebrospinal fluid CSF. A watery fluid, continuously produced and absorbed, which flows in the ventricles (cavities) within the…
- Tocolytic agent A medication that can inhibit labor, slow down or halt the contractions of the uterus. Tocolytic agents are…
- Synaesthesia See: Synesthesia
- Tylenol See: Acetaminophen
- Nirenberg , Marshall W. (b. 1927) American biochemist who shared the 1968 Nobel Prize in Physiology or Medicine for his work in…