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).
Fissure
A cleft or groove. A fissure can be normal or abnormal. A fissure in the cerebral cortex is a normal feature. It is a deep fold that involves the entire thickness of the brain wall. A fissure in the anus is distinctly abnormal. It is a…
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Show more- Hormone replacement therapy (HRT) The combination therapy of estrogen plus progestogen, termed hormone replacement therapy (HRT). Estrogen…
- Double-blinded study A study in which at least two separate groups receive the experimental medication or procedure at different…
- Snowmobile safety Snowmobiles pose a significant risk to children, adolescents and young adults. Head injuries are the leading…
- Fusospirillosis This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Osmolarity The concentration of osmotically active particles in solution, which may be quantitatively expressed in…
- National Institute on Drug Abuse (NIDA) Drug Abuse (NIDA): One of the National Institutes of Health in the U.S., NIDA's mission is to 'lead the…
- ROMA Representational oligonucleotide microarray analysis. A method for the detection of genomic aberrations…
- Waterborne bacterial disease An illness due to infection with bacteria contaminating the water supply. Waterborne bacterial diseases cause…
- McClintock See: McClintock, Barbara
- Intravenous immunoglobulin A sterile solution of concentrated antibodies extracted from healthy people that is given straight into a…
- Chromosome A visible carrier of the genetic information. The 3 billion bp (base pairs) in the human genome are organized…
- Perionychia An inflammation of the folds of tissue surrounding the nail due to infection. The infection may be bacterial…