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).
Pia mater
One of the meninges, the pia mater is the delicate innermost membrane enveloping the brain and spinal cord. It is known informally as the pia.
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Show more- HBV Hepatitis B virus. A virus which primarily causes inflammation of the liver. The hepatitis B virus can be…
- Sarcoma One of a group of tumors usually arising from connective tissue. Most sarcomas are malignant. Many types are…
- Partial laryngectomy A surgical procedure on the voice box designed to preserve the voice. The surgeon removes part of the voice…
- Cancer, skin Cancer, skin: Cancer of the outer surface of the body. The most common cancer in the U.S. There are many…
- PXE See pseudoxanthoma elasticum
- Amino acid, essential An amino acid that cannot be made by humans and so is essential to the human diet. There are 9 essential…
- Orgasm The climax of coitus, consisting of a series of involuntary muscle contractions in the anus, lower pelvic…
- Chart, Snellen's The familiar eye chart used to measure how well you see at various distances. Snellen's chart is imprinted…
- Paleolithic diet The Paleolithic diet is a weight loss plan based upon the premise of consuming only those foods available…
- Mongolism Obsolete name for Down syndrome. Down syndrome refers to the 19th century English physician J. Langdon Down…
- Anatomical position The position with the body erect with the arms at the sides and the palms forward. The anatomical position is…
- DMD (dystonia musculorum deformans) Also called torsion dystonia, this is a rare, generalized dystonia (a state of abnormal -- either excessive…