MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Afterbirth
The placenta + the fetal membranes that are normally expelled from the uterus after the birth of the baby. Hence, the 'afterbirth.' The placenta is of course the organ that joins the mother and fetus and permits the provision of oxygen and…
Read the definitionRandom terms
Show more- NK cell See Natural killer cell
- Chlamydia trachomatis A bacterium that causes a disease called trachoma that results in blindness so frequently that it places a…
- Excise To cut out. A laser beam may be used to excise a tumor, much as a scalpel does. The terms excise and resect…
- Tuberculosis Tuberculosis: A highly contagious infection caused by the bacterium called Mycobacterium tuberculosis…
- Probability The likelihood that something will happen. For example, a probability of less than .05 indicates that the…
- Chorioamnionitis Inflammation of the chorion and the amnion, the membranes that surround the fetus. Chorioamnionitis usually…
- Olefactory Common misspelling of olfactory
- Endoscopic ultrasound Ultrasound: Aviated EUS. A procedure that combines endoscopy and ultrasound to obtain images and information…
- Omphalos The omphalos (or omphalus) is also called the umbilicus or navel. 'Omphalos' is the Greek word for the navel…
- Blood The familiar red fluid in the body that contains white and red blood cells, platelets, proteins, and other…
- Lumbar radiculopathy Nerve irritation caused by damage to the discs between the vertebrae. Damage to the disc occurs because of…
- Radiography Film records (radiographs) of internal structures of the body. Radiography is made possible by X-rays (or…