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- CRP An intestinal infection characterized by diarrhea caused by a microscopic parasite, Cryptosporidium parvum…
- Syncope, micturition The temporary loss of consciousness upon urinating. (Syncope is the temporary loss of consciousness or, in…
- Hand-foot-and-mouth disease A viral syndrome with a rash on the hands and feet and in the mouth. The internal rash (the enanthem)…
- Caps Abbreviation for capsules. One of a number of hallowed abbreviations of terms that have traditionally been…
- Retinitis pigmentosa Any one of a large group of inherited disorders in which abnormalities of the photoreceptors (the rods and…
- Bernard, Christiaan South African surgeon (1922-2001) who pioneered cardiac transplantation. Dr. Bernard did the world's first…
- Vernix More formally known as vernix caseosa, the vernix is a white cheesy substance that covers and protects the…
- Fingers, six The presence of an extra finger, a very common congenital malformation (birth defect). This condition is…
- Syndrome, superior vena cava The symptoms that result from compression of the large vein that carries blood down to the heart. The…
- Cervical kyphosis, postmenopausal An outward curvature (kyphosis) of the cervical vertebrae (the bones of the neck), creating a hump at the…
- Water on the brain Known medically as 'hydrocephalus', this is an abnormal buildup of cerebrospinal fluid (CSF) in the…
- Hyperkalemia Hyperkalemia: Elevated blood potassium. Potassium is the major positive ion (cation) found inside of cells…