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).
Contraception, emergency
See: Emergency contraception
Read the definitionRandom terms
Show more- Guttate psoriasis A type of psoriasis characterized by red, scaly patches of inflamed skin on all parts of the body. It is…
- Rib, sternal One of the first 7 pairs of ribs. A rib is said to be a 'sternal' rib or a 'true' rib if it attaches to the…
- Replacement therapy, hormone (HRT) The combination therapy of estrogen plus progestogen, termed hormone replacement therapy (HRT). Estrogen…
- Barotrauma Trauma caused by rapid or extreme changes in air pressure, especially affecting enclosed cavities within the…
- Alanine An amino acid, one of the 20 building blocks of protein. Alanine is not an 'essential' amino acid. It is not…
- Hereditary sensory and autonomic neuropathy III A degenerative disorder of nerves with progressive spasticity of the legs. Abbreviated as AD-HSP. Spasticity…
- Cervical vertebra, first The first cervical (neck) vertebra is called the atlas. It supports the head. The atlas bone is named for the…
- Cytogenetics, clinical The application of cytogenetics to clinical medicine. For example, clinical cytogenetic studies might be done…
- Oil, tropical Coconut, palm kernel or palm oil. Like all fats and oils, these three oils contain various types of fatty…
- Anti-cyclic citrullinated peptide antibody See: Citrulline antibody
- Hernia Hernia: A general term referring to a protrusion of a tissue through the wall of the cavity in which it is…
- Dermatomyositis A chronic inflammatory disease of skin and muscle which is associated with patches of slightly raised reddish…