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- Blood count The calculated number of white or red blood cells (WBCs or RBCs) in a cubic millimeter of blood
- Elbow The juncture of the long bones in the middle portion of the arm. The bone of the upper arm (humerus) meets…
- Race-based drug A drug designed for a particular racial group. The first race-based drug was BiDil, a combination of two old…
- Prosthesis, ocular See: Ocular prosthesis
- Excise To cut out. A laser beam may be used to excise a tumor, much as a scalpel does. The terms excise and resect…
- Fat, saturated A fat that is solid at room temperature and comes chiefly from animal food products. Some examples are…
- Macula A macula is a small spot. A macula on the skin is a small flat spot while the macula in the eye is a small…
- Risk of recurrence In medical genetics, the chance that a genetic (inherited) disease present in a family will recur in that…
- Unwell Not well or in good health, ailing, sick, indisposed. For example, 'I am well-nigh choked with the sulfurous…
- Clitoral amputation A surgical procedure in which all or part of the clitoris and sometimes also the labia are removed. Clitoral…
- Transfusion medicine Blood transfusion and blood conservation are the complementary activities that constitute the clinical arena…
- Ulcer, duodenal See: Duodenal ulcer