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.
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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).
Negative clinical trial
A clinical trial that shows that a new treatment is inferior to standard treatment. See: Clinical trials. See also: Inconclusive clinical trial; Non-inferior clinical trial; Positive clinical trial.
Read the definitionRandom terms
Show more- Iris, speckled Due to little white (or lightly colored) spots that are slightly elevated on the surface of the iris. These…
- Coronal A coronal plane through the body is a vertical plane from head to foot and parallel to the shoulders
- Corneal dystrophy, epithelial basement A disorder in which the cornea (the normally clear front window of the eye) shows grayish fingerprint lines…
- Spot, histo See: Histo spot
- Periostoma A benign tumor arising from the periosteum, the dense membrane composed of fibrous connective tissue that…
- Vanishing bone syndrome An inherited form of osteolysis -- the destruction of bone. There are several such syndromes. In one form of…
- Finger prick A procedure in which a finger is pricked with a lancet to obtain a small quantity of capillary blood for…
- Spectrophotometer A device which measures the amount of ultraviolet light absorbed by a substance. For example, vitamin A…
- Tyrosinemia A genetic disorder involving the metabolism of the amino acid tyrosine characterized by abnormally high…
- Zinc ointment A topical preparation containing zinc that is applied to protect the skin from irritation or sunburn. Zinc…
- CD10 A cell surface enzyme with neutral metalloendopeptidase activity. CD10 is also known as CALLA (common acute…
- Placenta accreta The abnormal adherence of the chorionic villi (vascular fingers of the chorion, a part of the placenta) to…