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).
Fatty acids,omega-3
A class of fatty acids found in fish oils, especially from salmon and other cold-water fish, that acts to lower the levels of cholesterol and LDL (low-density lipoproteins) in the blood. (LDL cholesterol is the 'bad' cholesterol.) Omega-3…
Read the definitionRandom terms
Show more- Abortion, habitual The miscarriage of 3 or more consecutive pregnancies. The abortion of 3 or more miscarriages (spontaneous…
- Hypocarbia Less than the normal level of carbon dioxide in the blood. The opposite of hypercarbia
- Immunity, active Immunity, active: The production of antibodies against a specific agent by the immune system. Active immunity…
- Zona pellucida The strong membrane that forms around an ovum as it develops in the ovary. The membrane remains in place…
- Reinnervation Restoration of nerve function after it has been lost. Reinnervation may occur spontaneously or be achieved by…
- Papule A small solid rounded bump rising from the skin that is usually less than 1 centimeter in diameter (less than…
- Classic typhus See: Typhus, epidemic
- Dysplastic nevi Atypical moles whose appearance is different from that of a common ordinary mole. Dysplastic nevi tend to be…
- Obesity-related disease Any disease for which obesity is a significant risk factor. Obesity increases the risk of developing a very…
- Papilloma, cutaneous A small tag of skin that may have a stalk (a peduncle). Cutaneous papillomas may appear on the skin almost…
- CMV (cytomegalovirus) A virus that infects 50-85% of adults in the US by age 40 and is also the virus most frequently transmitted…
- Legal blindness The criteria used to determine eligibility for government disability benefits and which do not necessarily…