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).
Sleep, twilight
Sleep, twilight: 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…
Read the definitionRandom terms
Show more- Toxicity The degree to which a substance can harm humans or animals. Toxicity can be acute, subchronic, or chronic: >…
- Adipose most abundant gene transcript 1 Abbreviated APM1. The APM1 gene encodes the hormone adiponectin
- Retinoic acid syndrome A syndrome that occurs from treatment with retinoic acid and is characterized by fever, dyspnea (difficulty…
- Public health school A school designed to teach public health and train public health professionals. The first school of public…
- Glaucoma, low tension See: Glaucoma, normal tension
- Avulsion Tearing away. A nerve can be avulsed by an injury, as can part of a bone.
- Levocardia Reversal of all of the abdominal and thoracic organs (situs inversus) except the heart, which is still in its…
- SIDS (sudden infant death syndrome) The sudden and unexpected death of a baby with no known illness, typically affecting sleeping infants between…
- Ovary cyst, follicular A fluid-filled sac in the ovary, the most common type of ovarian cyst. It results from the growth of a…
- Atypical measles syndrome (AMS) Measles syndrome (AMS): An altered expression of measles, AMS begins suddenly with high fever, headache…
- Ligament, medial collateral knee The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Fatty acids Molecules that are long chains of lipid-carboxylic acid found in fats and oils and in cell membranes as a…