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).
Lb.
The abbreviation for pound, the measure of weight, lb. (plural: lb. or lbs.) stands for 'libra' (Latin for pound)
Read the definitionRandom terms
Show more- Drug test An examination of biologic material (such as urine, hair, saliva, or sweat) to detect the presence of…
- Angiokeratoma corporis diffusum universale See: Fabry disease
- Universal colitis Ulcerative colitis that involves the entire colon (the large intestine). Ulcerative colitis itself is a…
- Cotton rat A rodent capable of carrying the types of hantavirus that cause HPS (hantavirus pulmonary syndrome) in the…
- HIV infection, acute The body's initial reaction to infection by the HIV virus. Acute HIV infection is a flu-like syndrome that…
- Howard Hughes Medical Institute The largest private source of medical research funds in the United States. The Institute is one of the…
- Artificial abortion An abortion that is brought about intentionally. Also called an induced or therapeutic abortion. As opposed…
- Vaccine, German measles A vaccine designed to prevent rubella, or German measles. German measles was once seen merely as a child's…
- Capsulitis Inflammation of the capsule of the lens, joint, liver, or labyrinth. See also: Adhesive capsulitis
- Pinworm infection Pinworm infection: An infection caused by a small, white intestinal worm: the pinworm or, more formally…
- Megalencephaly Also called macrencephaly, a condition in which there is an abnormally large, heavy, and usually…
- Primary immunodeficiency disease A disorder caused by an inherited flaw in the immune system that increases the susceptibility to infections…