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).
Guillotine
A machine used during (and after) the French Revolution for beheading people condemned to death, by means of a heavy sharp blade that slid down within vertical guides. By extension, 'guillotine' refers to any shearing machine or instrument…
Read the definitionRandom terms
Show more- Kidney One of a pair of organs located in the right and left side of the abdomen which clear 'poisons' from the…
- Repetitive DNA DNA sequences that are repeated in the genome. These sequences do not code for protein. One class termed…
- Global warming The sustained increase in the average temperature of the earth's atmosphere. Human activity contributes to…
- Dissection, neck Surgery in which the neck is opened -- to 'dissect' means to 'cut apart' -- in order to identify, examine…
- Chronic lymphocytic leukemia See: Juvenile myelomonocytic leukemia.
- Vocal tremor Tremor: Trembling or shaking of one or more of the muscles of the larynx (the voice box), resulting in an…
- Public grief See: Public mourning
- Medicine, nuclear See: Nuclear medicine
- Ectopia cordis A type of birth defect in the heart is abnormally located. In ectopia cordis, the heart usually protrudes…
- Amino acid One of the 20 building blocks of protein. The sequence of amino acids in a protein and, hence, the function…
- Sexual masochism Sexual masochism is a disorder in which individuals use sexual fantasies, urges or behaviors involving the…
- FTT Failure to thrive. Refers to a child whose physical growth is significantly less than that of peers. There is…