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).
Sub-
Prefix meaning meaning under, below, less than normal, secondary, less than fully. As in subacute, subaortic stenosis, subarachnoid, subclavian, subclinical disease, subcutaneous, subdural, subglottis, subjacent, sublingual, subluxation…
Read the definitionRandom terms
Show more- CT, electron beam Also known as Ultrafast CT (computerized tomography), this is a new (and controversial) noninvasive test for…
- Conjunctivitis Inflammation of the conjunctiva, the membrane on the inner part of the eyelids and the membrane covering the…
- Helical CAT scan A conventional computerized axial tomography scan (CAT scan or CT scan) is an x-ray procedure which combines…
- Chondrosarcoma A malignant tumor that forms in cartilage cells (chondroplasts) and that produces cartilage matrix…
- Macroglobulinemia A condition in which the blood contains high levels of large proteins and is too thick to flow through small…
- Typhus, murine An acute infectious disease with fever, headache, and rash, all quite similar to, but milder than, epidemic…
- PC Although PC is usually taken to mean personal computer, in the biomedical arena PC also stands for protein C…
- Immunization, anthrax Anthrax: A series of six shots over six months and booster shots annually, the anthrax vaccine now in use in…
- Lifetime risk The risk of developing a disease during ones lifetime or dying of the disease. The estimated lifetime risk of…
- High blood pressure High blood pressure: Also known as hypertension, high blood pressure is, by definition, a repeatedly elevated…
- Differentiated cancer Cancer: A cancer in which the cells are mature and look like cells in the tissue from it arose…
- Abortion, recurrent The occurrence of 3 or more miscarriages (which are medically termed 'spontaneous abortions') with no…