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).
PCBs
PolyChlorinated Biphenyls, a mixture of up to 209 chlorinated chemicals. Although PCBs are no longer produced in the US where they were once known under the trade name Aroclor, PCBs are still found in the environment. A number of adverse…
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Show more- Hematocrit Hematocrit: The proportion of the blood that consists of packed red blood cells. The hematocrit is expressed…
- Pulmonary function test A test designed to measure how well the lungs are working. Pulmonary function tests (PFTs) gauge how the…
- Lumbar spinal stenosis Lumbar spinal stenosis: A condition whereby either the spinal canal (central stenosis) or vertebral foramen…
- Pustular psoriasis A type of recurring psoriasis characterized by the appearance of pus-filed pimples and sores in clusters. It…
- Mastocytosis A condition characterized by infiltration of mast cells into the tissues of the body. Mast cells are…
- Plaque psoriasis The most common form of psoriasis -- about 80% of people with psoriasis have this type. Plaque psoriasis can…
- Bladder infection Infection of the urinary bladder. Some people are at more risk for bladder and other urinary tract infections…
- Contrast nephropathy A form of acute renal failure that starts soon after administration of contrast media (dye) for X-rays. The…
- Hox gene One of a subgroup of homeobox genes that are found in clusters on the genes of vertebrates. These are…
- Anticoagulant Any agent used to prevent the formation of blood clots. Anticoagulants have various uses. Some are used for…
- Cranial nerve IX The ninth cranial nerve is the glossopharyngeal nerve. The 12 cranial nerves, the glossopharyngeal nerve…
- Placenta, supernumerary A succenturiate or accessory placenta