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).
Dacryo-
A combining form denoting tears, as in dacryocyst (tear sac) and dacryocystorhinostomy (surgery to open up a tear duct). From the Greek dakry meaning 'a tear.
Read the definitionRandom terms
Show more- Rib, false One of the last 5 pairs of ribs. A rib is said to be 'false' if it does not attach to the sternum (the breast…
- Melanoma, ciliary body See: Intraocular melanoma
- Inherited metabolic diseases Also called inborn errors of metabolism, these are heritable (genetic) disorders of biochemistry. Examples…
- Attenuate To weaken, dilute, thin, reduce, weaken, diminish. The use of 'attenuate' in medicine is not new. In the 16th…
- Approved drug A medication approved for marketing. In the US, the Food and Drug Administration (FDA) must approve a…
- Osteocyte A bone cell
- Brain stem glioma A malignant tumor that arises in the brain stem, the part of the brain that connects to the spinal cord. The…
- Baseline 1. Information gathered at the beginning of a study from which variations found in the study are measured.2…
- Meningococcus A type of bacteria now formally known as Neisseria meningitidis, which is responsible for a number of…
- Taenia armata Taenia solium
- DiGeorge syndrome A genetic disorder characterized by hypocalcemia, immunodeficiency, and congenital heart disease: >…
- Phe Phenylalanine. See also: Amino acid symbols