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).
Hypodontia and nail dysgenesis
A genetic disorder characterized by the absence of several teeth (hypodontia) and abnormalities of the nails (nail dysgenesis) at birth. The disorder is also known as Witkop syndrome or the tooth and nail syndrome (TNS). The tooth and nail…
Read the definitionRandom terms
Show more- Mimetic The adjective for 'mimesis' -- imitation or mimicry. A radiomimetic drug is one that imitates the effects of…
- Appendix epiploica A finger-like projection of fat attached to the colon.
- Transplantation, cross-species A new technique in which stem cells are obtained from a patient's blood and used in bone marrow…
- Hemorrhagic cyst This type of functional cyst occurs when bleeding occurs within a cyst. Symptoms such as abdominal pain on…
- ANC The absolute neutrophil count, the number of white blood cells (WBCs) that are neutrophils. The ANC is not…
- Nosebleed, treatment of To stop a nosebleed, you should pinch all the soft parts of the nose together between your thumb and index…
- Breakbone fever An acute mosquito-borne viral illness of sudden onset that usually follows a benign course with headache…
- Naprelan See: Naproxen
- Dysplasia Abnormal in form. From the Greek dys- (bad, disordered, abnormal) and plassein (to form). For example…
- Syndrome, carpal tunnel See Carpal tunnel syndrome.
- Lymph node, sentinel The first lymph node ('gland') to receive lymphatic drainage from a tumor. Which lymph node is the sentinel…
- Cancer, adult primary liver A tumor in which the cancer starts during adulthood in cells in the liver. Also called hepatocellular…