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).
Megacolon
An abnormally enlarged colon.
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Show more- Proctitis, ulcerative Ulcerative colitis that is limited to the rectum. Ulcerative colitis itself is a relatively common disease…
- DNA, repetitive DNA sequences that are repeated in the genome. These sequences do not code for protein. One class termed…
- Tension pneumothorax The pressure of the blood within an artery, the arterial pressure. Also called the intra-arterial pressure…
- Code The genetic code is the correspondence between the triplet of bases in DNA with the amino acids. The…
- Excess, calcium See: Calcium excess
- Footdrop See Foot-drop
- Tumor debulking Surgically removing as much of the tumor as possible
- Poisoning, lead An environmental hazard capable of causing brain damage. In the US lead poisoning is formally defined as…
- Pectoralis muscle absence with syndactyly A unique pattern of one-sided malformations characterized by a defect of the chest (pectoralis) muscle on one…
- Meiotic drive Preferential selection during meiosis (germ cell production). In meiotic drive there is preferential…
- Anti-emetic See: Antiemetic
- Vasectomy Vasectomy: A vasectomy is a surgical procedure designed to make a man sterile by cutting or blocking both the…