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).
Conformational radiation therapy
A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor as accurately as possible and give it the highest possible dose of radiation while sparing normal tissue as much as possible. It is…
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Show more- Percutaneous transhepatic cholangiography PTCA. The use of a balloon-tipped catheter to enlarge a narrowed artery.
- Dysplasia, thanatophoric A form of short-limbed (micromelic) dwarfism that usually causes death within the first few hours after…
- Thromboxane A2 The active type of thromboxane. Abbreviated TXA2
- Abnormal Not normal. Deviating from the usual structure, position, condition, or behavior. In referring to a growth…
- Spermatocide Any agent that is destructive to spermatozoa (that is, kills sperm). Nonoxynol-9 is the most commonly…
- Threonine An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, threonine is…
- Single-blind Term used to described a study in which either the investigator or the participant, but not both of them, is…
- Eyetooth An upper canine tooth which is immediately lateral to the second incisor. So-named in the mistaken belief…
- ZIFT Stands for zygote intrafallopian transfer, a method used to treat infertility in which an egg fertilized in…
- Pseudoobstruction, intestinal A group of chronic disorders that impair gastrointestinal motility, despite the absence of an actual…
- Hyperparathyroidism Hyperparathyroidism: Too much parathyroid hormone resulting in abnormally high levels of calcium in the blood…
- Ptosis of the eyelids, congenital Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and…