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).
Posterior cruciate ligament (PCL)
The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint (collateral ligaments) as well as crossing within the joint (cruciate ligaments). These ligaments provide stability and strength…
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Show more- Seizure Seizure: Uncontrolled electrical activity in the brain, which may produce a physical convulsion, minor…
- Vincent gingivitis This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Venin Snake venom (poison).
- Cocci Pleural of coccus. Bacteria which are spherically shaped
- Influenza vaccination priorities The influenza (flu) vaccine is recommended for persons at high risk for serious complications from influenza…
- Hemorrhoidectomy Surgical removal of hemorrhoids (enlarged and dilated veins in and around the rectum and anus)…
- Ophthalmopathy Any eye disease. External ophthalmopathy may refer to any disease of the eyelid, cornea, conjunctiva, or eye…
- Asplenic Pertaining to asplenia, the state of being without a spleen or without a functional spleen. The spleen can be…
- Cranial nerve XII The twelfth cranial nerve is the hypoglossal nerve. The twelve cranial nerves, the hypoglossal nerve…
- Optic nerve pathways The left and right branches of the optic nerves join behind the eyes, just in front of the pituitary gland…
- Rash, butterfly Rash, butterfly: A red, flat facial rash over the bridge of the nose. Over half of patients with systemic…
- Multiple miscarriage More than one miscarriage for a woman. In multiple miscarriages, there is about a 5 percent chance that one…