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).
Heart-lung machine
A machine that does the work both of the heart (pump blood) and the lungs (oxygenate the blood). Used, for example, in open heart surgery. Blood returning to the heart is diverted through the machine before returning it to the arterial…
Read the definitionRandom terms
Show more- Testis The testis (or testicle) is the male sex gland. A pair of testes are located behind the penis in a pouch of…
- Choana (Plural: choanae) The passageway from the back of one side of the nose to the throat. There are two choanae…
- AN The military designation for hydrogen cyanide. See: Cyanide
- Caesarian section Also referred to as a C-section. A procedure in which a baby, rather than being born vaginally, is surgically…
- Acupuncture Our Acupuncture Main Article provides a comprehensive look at the who, what, when and how of Acupuncture…
- Uterine contraction The tightening and shortening of the uterine muscles. During labor, contractions accomplish two things: (1)…
- Gland of internal secretion See: Endocrine gland
- Cloning vector A DNA molecule originating from a virus, a plasmid (see below) or the cell of a higher organism into which…
- Streptococcus haemolyticus Another name for streptococcus pyogenes
- Suture See: SV40.
- Gyn- Combining form pertaining to women. From the Greek gyno, gynaikos meaning woman
- Asbestos Asbestos: A natural material made up of tiny fibers which can lodge in the lungs and lead to cancer or…