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).
Afterbirth
The placenta + the fetal membranes that are normally expelled from the uterus after the birth of the baby. Hence, the 'afterbirth.' The placenta is of course the organ that joins the mother and fetus and permits the provision of oxygen and…
Read the definitionRandom terms
Show more- Diplopia, monocular Double vision (diplopia) in only one eye. The double vision persists when the other eye is covered. Monocular…
- Aberration (1) A deviation or irregularity. For example, a chromosome aberration is a deviation from the normal…
- Bridge A set of one or more false teeth supported by a metal framework, used to replace one or more missing teeth…
- Cholangiography, percutaneous transhepatic See Endoscopic retrograde cholangiopancreatography.
- Pineal gland A small gland located deep within in the brain. It is believed to secrete melatonin, and may therefore be…
- Corneal ring, intrastromal A plastic ring designed to be implanted in the cornea, the transparent structure in the front of the eye. The…
- MCH Abbreviation for mean cell hemoglobin concentration, which is the average concentration of hemoglobin in a…
- Latent Hidden, dormant, inactive. The virus that causes chickenpox remains latent after the initial attack of…
- Magnesium sulfate A remarkably versatile compound administered intramuscularly and intravenously as an anticonvulsant and as a…
- Genome, Caenorhabditis elegans See: Dog genome.
- Chyle A fluid consisting of a mixture of lymphatic fluid (lymph) and chylomicrons that has a milky appearance…
- Cavernous hemangioma A type of hemangioma composed of blood-filled 'lakes' and channels. It is typically raised and red or…