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).
Menstruation
Menstruation: The periodic blood that flows as a discharge from the uterus. Also called menorrhea, the time during which menstruation occurs is referred to as menses. The menses occurs at approximately 4 week intervals to compose the…
Read the definitionRandom terms
Show more- Coccyx bone The small tail-like bone at the bottom of the spine very near to the anus. The coccyx is made up of 3-5…
- Plasmodium The parasite guilty in the case of malaria (paludism). Plasmodium is a type of protozoa, a single-celled…
- Iodine deficiency Iodine is a natural requirement of our diets. Iodine deficiency can lead to inadequate production of thyroid…
- Rigour See: Rigor
- Brachial vein A vein that accompanies the brachial artery between the shoulder and the elbow. The route of the brachial…
- Naegleria infection Naegleria infection: Infection from an ameba called Naegleria fowleri that is commonly found in the…
- Rh incompatibility The difference in Rh blood group types between an Rh negative mother and her Rh positive baby that leads to…
- DNA sequence, draft Sequence of a DNA with less accuracy than a finished sequence. In a draft sequence, some segments are missing…
- Gestational hypertension See: Hypertension, gestational
- Prontosil The first sulfa drug to be discovered. Largely of historic interest today. The discovery was made by the…
- Fissure, palpebral The opening for the eye between the eyelids.
- HCV Hepatitis C virus