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).
Error, alpha
The statistical error (said to be 'of the first kind' or type I) made in testing an hypothesis when it is concluded that a treatment or intervention is effective when it really is not. Sometimes referred to as a false positive
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- Osteo- (prefix) Combining form meaning bone. From the Greek 'osteon', bone. Appears for instance in osteoarthritis…
- Chorionic gonadotropin, human A procedure for first-trimester prenatal diagnosis. Chorionic villus sampling may be done between the eighth…
- Rohypnol The trade name for flunitrazepam, which has been abused as a 'date rape' drug. Rohypnol produces…
- Sicca syndrome An autoimmune disease, also known as Sjogren syndrome, that classically combines dry eyes, dry mouth, and…
- Cartilage hair hypoplasia syndrome A specific genetic form of short-limbed dwarfism with skeletal features that also include normal head…
- Cancer, leukemia Leukemia is a cancer of the white blood cells. Leukemias are grouped by how quickly the disease develops…
- Biallelic Pertaining to both alleles (both alternative forms of a gene). For example, biallelic mutations in the gene…
- Malignant ascites A condition in which fluid containing cancer cells collects within the abdomen
- Process In anatomy, a process is a projection from a structure. The process of the mandible is the part of the lower…
- Diving injury An injury incurred from diving into water that is too shallow or has hidden hazards. These injuries may be to…
- PA (physician assistant) >Medical histories and physical examinations: a PA is usually can perform histories and physical examinations…