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).
Multicellular
Consisting of more than one cell. Humans are multicellular and have been estimated to possess 100,000 billion cells. Multicellular is as opposed to unicellular
Read the definitionRandom terms
Show more- Carotid stenosis Abnormal narrowing of the carotid artery, often a preamble to a stroke
- Colorectal adenomatous polyposis, recessive Autosomal recessive form of colorectal adenomatous polyposis, See: MYH
- Malrotation of the intestine Failure for the intestine to rotate normally during embryonic development. One of the dangers is that the…
- Code black While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…
- Aspergillosis Infection with the fungus Aspergillus, seen especially in people with a deficient immune system. The clinical…
- Respiratory distress syndrome, acute Better known as ARDS. See: ARDS
- IUD (intrauterine contraceptive device) A device inserted into the uterus (womb) to prevent conception (pregnancy). The IUD can be a coil, loop…
- Reservoir, Ommaya A device implanted under the scalp that is used to deliver anticancer drugs to the cerebrospinal fluid, the…
- Vesicate A substance that causes tissue blistering. Also referred to as a vesicant.
- Cysts Cysts: Cysts are abnormal, closed sac-like structures within a tissue that contain a liquid, gaseous, or…
- Fibrous dysplasia, monostotic Excessive growth of hard fibrous tissue that replaces normal bone tissue in a single bone. Symptoms may…
- Venous line, central A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava…