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).
Mutation, null
A mutation (a change) in a gene that leads to its not being transcribed into RNA and/or translated into a functional protein product. For example, a null mutation in a gene that usually encodes a specific enzyme leads to the production of…
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Show more- Silk Road disease Behcet's disease. Called Silk Road disease because it is most common and more severe in people originating…
- Parathyroid adenoma A small tumor of the parathyroid gland and the most common disorder of the gland. Parathyroid adenomas are…
- Hox gene One of a subgroup of homeobox genes that are found in clusters on the genes of vertebrates. These are…
- Mendel, Gregor The great Moravian/Bohemian biologist (1822-84) who set forth the basic laws that constitute the foundation…
- Antiphospholipid antibody syndrome Antiphospholipid antibody syndrome (APLS): An immune disorder characterized by the presence of abnormal…
- Eskalith See: Lithium
- Physical therapist A person trained and certified by a state or accrediting body to design and implement physical therapy…
- Hepatitis Inflammation of the liver caused by the hepatitis A virus (HAV). HAV is usually transmitted from person to…
- Capitation In U.S. health services, capitation refers to a fixed 'per capita' amount that is paid to a hospital, clinic…
- Spontaneous abortion A miscarriage, that is, any pregnancy that is not viable (the fetus cannot survive) or in which the fetus is…
- Malariologist Someone who is versed in or engaged in the study of malaria. 'Independent malariologists believe it kills two…
- Symbol of medicine A staff or a rod with a snake curled around it; the staff of Aesculapius, also called Asklepios, the ancient…