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).
Sequence, conserved
A base sequence in a DNA molecule (or an amino acid sequence in a protein) that has remained essentially unchanged throughout evolution
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- Spiral fracture A fracture, sometimes called a torsion fracture, in which a bone has been twisted apart. NTER>
- Roentgen ray Term coined around 1890 that preceded X-ray and is now synonymous with it. Named for Wilhelm Roentgen, a…
- Protein A large molecule composed of one or more chains of amino acids in a specific order determined by the base…
- Childhood translocation 11 leukemia A new type of childhood leukemia in which a piece of chromosome 11 has been translocated (broken off and…
- Haploinsufficiency A situation in which the total level of a gene product (a particular protein) produced by the cell is about…
- Hormone, thyroid stimulating (TSH) A hormone produced by the pituitary gland at the base of the brain in response to signals from the…
- Superficial spreading melanoma See: Melanoma, superficial spreading
- Inhibitory RNA See: RNA inactivation; and RNA interference
- Single palmar flexion line Simian crease
- Recurrence The return of a sign, symptom or disease after a remission. The reappearance of cancer cells at the same site…
- Glaucoma treatment (medical) Although glaucoma cannot be cured, it can usually be controlled. Medical treatment can be in the form of…