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).
Dysplasia, thanatophoric
A form of short-limbed (micromelic) dwarfism that usually causes death within the first few hours after birth. Thanatophoric dysplasia is due to a lethal mutation (change) in the same gene that produces achondroplasia, a familiar and far…
Read the definitionRandom terms
Show more- Ischemia Inadequate blood supply (circulation) to a local area due to blockage of the blood vessels to the area.
- Sphenopalatine neuralgia A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Liver transplant Liver transplant: Surgery to remove a diseased liver and replace it with a healthy liver (or part of one)…
- Medulla oblongata The base of the brain, which is formed by the enlarged top of the spinal cord. This part of the brain…
- Vitamin K One of two naturally occurring fat-soluble vitamins (vitamin K1 and vitamin K2) needed for the clotting of…
- Straightjacket See: Straitjacket
- Hepatitis C PCR See: HCV PCR
- PH, urine See: Urine pH
- Oxygen A colorless, odorless and tasteless gas that makes up about 20% of the air we breathe (and at least half the…
- Radiation therapy, external Radiation therapy in which the source of radiation is a machine outside the body
- Bacillophobia An abnormal and persistent fear of bacilli (bacteria). A phobia is an unreasonable sort of fear that can…
- Eye color The color of the iris. The genetics of eye color are complicated. Eye color is polygenic. It is determined by…