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).
Plasma donation
The donation of sale of blood plasma for use in medical or other products. Unlike blood donors, most plasma 'donors' in the US are paid. The procedure is done in a walk-in facility, where whole blood is taken through an IV needle, and…
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Show more- Rheumatic fever An illness that occurs following a streptococcus infection (such as a 'strep throat') or scarlet fever and…
- Abduction In medicine, the movement of a limb away from the midline of the body. Abduction of both legs spreads the…
- Chloroprene A possible carcinogen (cancer-causing agent) primarily used in the production of the elastomer…
- Sexual masochism Sexual masochism is a disorder in which individuals use sexual fantasies, urges or behaviors involving the…
- Fear of flowers An abnormal and persistent fear of flowers. Sufferers experience undue anxiety even though they realize they…
- Face, masklike A surgical procedure designed to make the face appear younger by pulling loose facial skin taut. With age or…
- Hypocol One of the three major preparations of red yeast rice, a tradition Chinese medicine now used to lower…
- Lipoid nephrosis The earliest stage of nephrosis (the nephrotic syndrome of childhood). See: Minimal change disease. See also…
- Subcutaneous Under the skin. 'Subcutaneous' implies just under the skin. With a subcutaneous injection, a needle is…
- Oculomotor nerve The oculomotor nerve is the third cranial nerve. (The cranial nerves emerge from or enter the cranium, the…
- Horner syndrome A complex of abnormal findings, namely sinking in of one eyeball, ipsilateral ptosis (drooping of the upper…
- Tolerance, immune See: Immune tolerance