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).
Dermatofibrosarcoma protuberans
The heart is reversed and is in the right side of the chest rather than in its normal location on the left. This is a true anatomic reversal. With dextrocardia, for example, the apex (tip) of the heart points to the right rather than (as…
Read the definitionRandom terms
Show more- Acquired immunodeficiency syndrome AIDS. AIDS is a disease due to infection with the human immunodeficiency virus (HIV). Also referred to as…
- Cranial nerve, fourth The fourth cranial nerve, the trochlear nerve, is the nerve supply to the superior oblique muscle of the eye…
- Seizure Seizure: Uncontrolled electrical activity in the brain, which may produce a physical convulsion, minor…
- Placental chorioangioma A benign vascular (blood vessel) tumor of the placenta (afterbirth). Large chorioangiomas cause complications…
- Cardiovascular syncope Cardiovascular syncope: Sudden collapse into unconsciousness due to a disorder of heart rhythm in which there…
- Quincke's disease This is angioneurotic edema (or angioedema), a form of localized swelling of the deeper layers of the skin…
- Pulse, water hammer A jerky pulse that is full and then collapses because of aortic insufficiency (when blood ejected into the…
- Hemiplegia, alternating See: Alternating hemiplegia of childhood
- Sulci The plural of sulcus
- Reading frame One of the three possible ways to read a nucleotide sequence in DNA or RNA as a series of nonoverlapping…
- Phytochemical The active health-protecting compounds that are found as components of plants. Currently, the terms…
- Conjunctival fornix The fornix of the conjunctivae refers to loose arching folds connecting the conjunctival membrane lining the…