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).
Stenosis, pulmonary
The pulmonary valve is too tight so that the flow of blood from the right ventricle of the heart into the pulmonary artery is impeded. This means the right ventricle must pump harder than normal to overcome the obstruction. If the stenosis…
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Show more- Hepat- Having to do with the liver. Pronounced hi-'pa-tik. From the Latin hepaticus derived from the Greek hepar…
- Ptosis of the eyelids, congenital Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and…
- Membrane metalloendopeptidase See: Metallomembrane endopeptidase
- Bones of the arm, wrist and hand There are 64 bones in the upper extremity. They consist of 10 shoulder and arm, 16 wrist and 38 hand bones. >…
- Foodborne disease A disease caused by consuming contaminated food or drink. Myriad microbes and toxic substances can…
- Jock itch Itch: A superficial fungus infection of the crotch and perineum known medically as tinea cruris. Good general…
- Testes The male sex glands. They are located behind the penis in a pouch of skin called the scrotum. The testes…
- Lumpectomy The surgical removal of a small tumor (a lump) which may or may not be benign (or malignant). Lumpectomy has…
- National Research Council In the United States, a part of the National Academies. There are also National Research Councils in Canada…
- Medication, anti-platelet Platelet-blocking drugs. Drugs that, like aspirin, reduce the tendency of platelets in the blood to clump and…
- Heterozygote A person possessing two different forms of a particular gene, one inherited from each parent. A heterozygote…
- Von Willebrand disease Voyeurism is a disorder that involves achieving sexual arousal by observing an unsuspecting and…