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).
Thoracic cage
The structure formed by the thoracic vertebrae and ribs, the sternum (breastbone), and the costal cartilages (that attach the ribs to the sternum). A cage is an enclosure made of 'open work' that usually houses animals. The thoracic cage…
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Show more- Nerve, oculomotor The oculomotor nerve is the third cranial nerve. (The cranial nerves emerge from or enter the cranium, the…
- Syndrome, Danlos Better known today as Ehlers-Danlos syndrome (EDS), is an inherited disorder with easy bruising, joint…
- Lung cancer, familial Lung cancer that recurs in families. Lung cancer can occur sporadically in people with no known family…
- Caesarian section, lower segment A Caesarian section in which the surgical incision is made in the lower segment of the uterus. Abbreviated…
- Hybrid The word 'hybrid' has a number of different biomedical meanings. In transmission genetics, a hybrid is the…
- Lipodystrophy, cephalothoracic A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper…
- DNA amplification The production of multiple copies of a sequence of DNA. Repeated copying of a piece of DNA. DNA amplification…
- Syndrome, prune belly Partial or complete absence of the abdominal muscles so that the outlines of the intestines are visible…
- Waterborne bacterial disease An illness due to infection with bacteria contaminating the water supply. Waterborne bacterial diseases cause…
- PID (pelvic inflammatory disease) Despite its seeming lack of gender, this term is applied to women only. PID refers exclusively to ascending…
- Extravasate To exude from or pass through the walls of a vessel into the surrounding tissues. Blood, lymph, or urine can…
- Silicosis A form of lung disease resulting from occupational exposure to silica dust over a period of years. Silicosis…