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).
DHA
1. Docosahexaenoic acid, an essential fatty acid, thought to be important to the development of infants, particularly as regards their eyes and brain. DHA is present in breast milk and has been added to some infant formulas. Postnatal DHA…
Read the definitionRandom terms
Show more- Melena Stools or vomit stained black by blood pigment or dark blood products.
- Oligodactyly Fewer than the normal number of fingers or toes. Oligo- is from the Greek 'oligos' (few or scanty) + -dactyly…
- Donor, universal A person who is type O in the ABO blood group system and can donate blood to all recipients
- Glucocentric Focused on glucose, particularly to the exclusion of other factors. As in 'We have a body of evidence and the…
- Symptomatic treatment Therapy that eases the symptoms without addressing the basic cause of the disease. For example, symptomatic…
- Collagen Collagen is the principal protein of the skin, tendons, cartilage, bone and connective tissue
- AED (automated external defibrillator) See: Automated external defibrillator
- Primary atelectasis Failure of the lung to expand fully at birth. In contrast to secondary atelectasis in which there is partial…
- Nocturnal amblyopia Amblyopia refers to blindness so nocturnal amblyopia is, literally, night blindness. Listed in medical…
- Acromioclavicular joint The acromioclavicular (AC) joint is located between the acromion (a projection of the scapula that forms the…
- Cardiac output The amount of blood that is pumped by the heart per unit time, measured in liters per minute (l/min). The…
- Paraparesis Weakness of the lower extremities