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).
Apheresis
The process of removing a specific component from blood and returning the remaining components to the donor, in order to collect more of one particular part of the blood than could be separated from a unit of whole blood. Also called…
Read the definitionRandom terms
Show more- Sphingomyelin lipoidosis Also called Niemann-Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin…
- Asn Asparagine. See also: Amino acid symbols
- Bone, ethmoid See: Ethmoid bone
- McCune-Albright syndrome Abbreviation (not only for McDonald's but also) for a number of entities in medicine including minimal change…
- Hysterectomy, vaginal Removal of the uterus through a surgical incision, not of the abdomen but, within the vagina. With a vaginal…
- Hematoma, intracranial A hematoma (a collection of blood) within the cranium (skull). The bleed may or may not be within the brain…
- System, parasympathetic nervous A part of nervous system that slows the heart rate, increases intestinal and gland activity, and relaxes…
- Stilling-Turk-Duane syndrome See: Duane syndrome
- Syndrome, Zollinger-Ellison A rare disorder caused by a tumor called a gastrinoma, most often occurring in the pancreas. The tumor…
- Auditory perception The ability to identify, interpret, and attach meaning to sound
- Pyarthrosis Infectious arthritis. Pyarthrosis is typically caused by a bacterial infection in the joint. Diagnosis is…
- Lymphadenopathy-associated virus Another name for the human immunodeficiency virus (HIV) that causes AIDS. Please see: Lymphadenopathy virus