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).
Pericardial
Referring to the pericardium, the sac of fibrous tissue that surrounds the heart. The inner surface of the pericardium is lined by a layer of flat cells (mesothelial cells). The pericardial sac normally contains a small amount of fluid…
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Show more- P53 A tumor suppressor. The designation 'p53' stands for 'protein 53 kilodaltons' in size. p53 is a specific…
- Audiogram A test of hearing at a range of sound frequencies.
- Aesculapius That stick with the snake curled around it is the staff (the rod) of Aesculapius (also called Asklepios), the…
- Dr. Joseph Moscati See: Moscati, St. Joseph
- Sun protection factor (SPF) A number on a scale for rating sunscreens. SPF stands for Sun Protection Factor. SPF numbers on a package can…
- Prostate gland A gland within the male reproductive system that is located just below the bladder. Chestnut shaped, the…
- Circinate balanitis A form of skin inflammation around the penis in males with Reiter's syndrome. The skin around the shaft and…
- Glycopeptide A short chain of amino acids that has sugar molecules attached to it. A glycoprotein is similar in structure…
- Borderline personality disorder Borderline personality disorder: A serious mental illness characterized by pervasive instability in moods…
- Alstrom-Hallgren syndrome See: Alstrom syndrome
- Scrub typhus A mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi, characteristically with…
- Cranial nerve, first The cranial nerves emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge…