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).
Ray, Roentgen
See: Roentgen ray
Read the definitionRandom terms
Show more- Shotty Resembling shot or pellets of lead, shotgun pellets and, hence, hard and round. The term 'shotty' was in use…
- Antiviral agent An agent that kills viruses or suppresses their replication and, hence, inhibits their capability to multiply…
- Aneuploidy One or a few chromosomes above or below the normal chromosome number. For example, three number 21…
- Paul Ehrlich 1. Paul Ehrlich (1854-1915), renowned German scientist and physician. See: Ehlich, Paul. 2. Paul R. Ehrlich…
- Interatrial septum The partition separating the upper chambers (the atria) of the heart
- TSH Stands for thyroid stimulating hormone, a hormone produced by the pituitary gland at the base of the brain in…
- Stroke index A cardiodynamic measure. Stroke volume is the amount of blood the left ventricle ejects in one beat, measured…
- Club drug A drug such as MDMA (Ecstasy), GHB, Rohypnol, ketamine, methamphetamine, and LSD that is used by young adults…
- Cys-Cys Cystine
- Endometriosis uterina Also known as adenomyosis (pronounced ad-den-o-mi-o-sis), this is a common benign condition of the uterus in…
- Replication A turning back, repetition, duplication, reproduction
- Naso- Prefix referring to the nose. For example, nasogastric refers to the passage from the nose to the stomach