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).
Y-linkage
The presence of a gene on the Y chromosome. Y-linkage is analogous to X-linkage (the presence of a gene on the X chromosome) in that it says a gene is on one of the sex chromosomes. It has often been said that little is known about…
Read the definitionRandom terms
Show more- Kala-azar A chronic and potentially fatal parasitic disease of the viscera (the internal organs, particularly the…
- NIOSH The National Institute for Occupational Safety and Health, a US Federal agency responsible for conducting…
- Claustrophobia An abnormal and persistent fear of closed spaces, of being closed in or being shut in, as in elevators…
- Meter, peak-flow This hand-held device measures air flow (how fast air is blown out of the lungs). Patients can use peak-flow…
- Osteoblast A cell that makes bone. It does so by producing a matrix that then becomes mineralized. Bone mass is…
- Arrhythmias, rapid Abnormally rapid heart rhythms, medically termed tachycardia
- Insect sting Stings from large stinging insects such as bees, hornets, yellow jackets and wasps can trigger allergic…
- Tympanic membrane Just the ear drum
- Emetophobia An abnormal and persistent fear of vomiting. Sufferers of emetophobia experience undue anxiety even though…
- Tension, arterial The pressure of the blood within an artery, the arterial pressure. Also called the intra-arterial pressure…
- COPD Two chambers in the penis which run the length of the organ and are filled with spongy tissue. Blood flows in…
- Alloerotic Having to do with sexual excitement toward the same sex. The opposite is heteroerotic