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).
Liver of pregnancy, acute fatty
Liver failure in late pregnancy, usually from unknown cause. Acute fatty liver of pregnancy (AFLP) typically occurs in first-time pregnancies in the last trimester. AFLP causes nausea and vomiting, abdominal pain especially in the upper…
Read the definitionRandom terms
Show more- Cell, helper A type of T cell that participates in the immune response by recognizing foreign antigens and secreting…
- Immunization Vaccination. Immunizations work by stimulating the immune system, the natural disease-fighting system of the…
- Eponym Something named after someone. For example, a condition called Shiel's syndrome might be named after someone…
- Dystonia, laryngeal See: Spasmodic dysphonia
- Anemia, refractory Anemia (a shortage of red blood cells) unresponsive to treatment
- Phimosis A condition whereby the foreskin of the penis is too tight. The penis itself consists of a cylindrical shaft…
- Fever, cat scratch A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease…
- Directed DNA sequencing Successively sequencing DNA from adjacent stretches of a chromosome
- Cyclooxygenase-1 inhibitor See: Cox-1 inhibitor
- Enuresis Involuntary urination, which may be caused by a variety of factors. These include disorders of the kidneys…
- Nervous system, autonomic Part of the nervous system that was once thought to be functionally independent of the brain. The autonomic…
- Penis, inflammation of the head of the Inflammation of the rounded head (the glans) of the penis is called balanitis. In the uncircumcised male…