MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Deficiency, niacin
See: Pellagra
Read the definitionRandom terms
Show more- Neuritis Inflammation of nerves.
- Cesarian section, lower segment (LSCS) A Cesarian section in which the surgical incision (cut) is made in the lower segment of the uterus
- Ovary, dermoid cyst of the A bizarre tumor, usually benign, in the ovary that typically contains a diversity of tissues including hair…
- Fear of flowers An abnormal and persistent fear of flowers. Sufferers experience undue anxiety even though they realize they…
- Peripheral neuropathy Peripheral neuropathy: A problem with the functioning of the nerves outside the spinal cord. Symptoms may…
- Cox-2 inhibitor A type of drug that selectively blocks the enzyme cox-2 (cyclooxygenase-2). Blocking this enzyme impedes the…
- Therapy, grief See: Grief therapy
- Pheresis Procedure in which the blood is filtered, separated, and a portion retained, with the remainder being…
- Lyon hypothesis See Lyonization
- Nerve, abducent A small motor nerve that has one task: to supply a muscle called the lateral rectus muscle that moves the eye…
- Facial nerve The facial nerve is the seventh cranial nerve. It is a mixed nerve that has fibers both going out and coming…
- Six fingers or toes The presence of an extra sixth finger or toe, a very common congenital malformation (birth defect). This…