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).
Sagittal sinus
A crucial large vein that goes over the top of the skull from front to back and then splits to take blood from the brain back toward the heart
Read the definitionRandom terms
Show more- Apnea An apnea is a period of time during which breathing stops or is markedly reduced. There are two types of…
- Traumatic brain injury Brain damage from trauma. The three leading causes of death from traumatic brain injury relate to firearms…
- Needlestick injury A penetrating stab wound from a needle (or other sharp object) that may result in exposure to blood or other…
- Daltonism Colorblindness of the red-green type (also known as deuteranopia or deuteranomaly). The term 'Daltonism' is…
- Mandible The mandible is the bone of the lower jaw. The joint where the mandible meets the upper jaw at the temporal…
- Sick sinus syndrome Symptoms of dizziness, confusion, fainting, and heart failure due to a problem with the sinus node of the…
- VCJD Stands for variant Creutzfeldt-Jakob disease, a human disease thought due to the same infectious agent as…
- Sac, pericardial See: Pericardial sac
- Bergamot oil An aromatic extract of the rind of the bergamot orange used to flavor Earl Grey tea and in aromatherapy. It…
- Disc, optic The circular area in the back of the inside of the eye where the optic nerve connects to the retina. Also…
- Oath of Maimonides A prayer that is said to have been written by the 12th-century physician-philosopher Moses Maimonides. Like…
- Uniparous 1) Having produced only one offspring. Also called primiparous. 2) Producing only one offspring at a time…