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).
Twilight sleep
Sleep: A term applied to the combination of analgesia (pain relief) and amnesia (loss of memory) produced by a mixture of morphine and scopolamine ('scope') given by a hypodermic injection (an injection under the skin). The mixture of the…
Read the definitionRandom terms
Show more- Distichiasis Double rows of eyelashes. The extra eyelashes grow from glands called the Meibomian glands and may protrude…
- Adenosine A nucleoside containing adenine as its base. Adenosine acts to dilate the coronary arteries and is employed…
- Frame, reading See: Reading frame
- Restless legs See: Restless leg syndrome
- Incisional biopsy A biopsy in which only a sample of the suspicious tissue is cut into (incised) and removed for purposes of…
- Mole 1. In dermatology, a pigmented spot on the skin, Also called a nevus. 2. In gynecology, a mass within the…
- Nostradamus Celebrated French physician and astrologer (1503-1566), born Michel de Notredame. Nostradamus studied…
- Transplantation genetics The field of biology and medicine relating to the genes that govern the acceptance or rejection of a…
- Cancer, leukemia Leukemia is a cancer of the white blood cells. Leukemias are grouped by how quickly the disease develops…
- Adventitia The outermost connective tissue covering of any organ, vessel, or other structure. For example, the…
- Nerve, accessory See: Accessory nerve
- Sune K. Bergstrom See: Bergstrüm, Sune K.