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).
Asplenia
The absence of a spleen or one that functions. (The spleen can be functionally destroyed, as occurs in patients with sickle cell disease.) The spleen, an organ located in the upper left part of the abdomen near the stomach, produces…
Read the definitionRandom terms
Show more- Hypotension, postural A drop in blood pressure (hypotension) due to a change in body position (posture) when a person moves to a…
- Xeroradiography The process of making a type of dry x-ray in which a picture of the body is recorded on paper rather than on…
- Leukemoid reaction A benign condition in which the high number of white blood cells found in a blood test resembles the numbers…
- Fibrodysplasia ossificans progressiva (FOP) A rare but dramatic genetic disorder that turns muscles, tendons and ligaments into bone, threatening to…
- Fever, rheumatic An illness that occurs following a streptococcus infection (such as a 'strep throat') or scarlet fever and…
- Peeping tom Eurism): Peeping tom (voyeurism) is a disorder that involves achieving sexual arousal by observing an…
- ESR Abbreviation for erythrocyte sedimentation rate, a blood test that detects and monitors inflammation in the…
- ARMD Age-related macular degeneration (which may also be abbreviated as AMD)
- Bulimia susceptibility gene A gene that determines the susceptibility to developing bulimia, one disorder in the spectrum of eating…
- Congenital anemia 1. Anemia at birth. 2. Synonym for Rh incompatibility
- Resistance, aspirin See: Aspirin resistance
- Night blindness Impaired vision in dim light and in the dark, due to impaired function of specific vision cells (namely, the…