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).
Sperm stem cell
A cell that is incapable of fertilizing an egg cell but can give rise to cells that develop into sperm. Sperm stem cells can be grown in laboratory culture, providing a ready source of these cells, as was first demonstrated in mice. Also…
Read the definitionRandom terms
Show more- Beau lines See: Beau's lines
- Ornithine An amino acid that is not found in protein but is important in the formation of urea and the disposal of…
- Sandfly fever An acute mild viral disease characterized by fever, malaise, eye pain, and headache occurring mainly during…
- CT colography See: Virtual colonoscopy
- Pronator foot type A type of foot that rolls far inward during the weight-bearing phase of the stride. This type of foot is…
- Right-handed The preferential use of the right hand for most fine manual tasks. Approximately 90% of the population is…
- Recombinant A person with a new combination of genes, a combination of genes not present in either parent, due to…
- D and C Stands for dilatation and curettage. This is a very common gynecologic procedure in which the cervix of the…
- Laryngeal papilloma A warty growth in the larynx, usually on the vocal cords. Persistent hoarseness is a common symptom. NTER>…
- Malleolus Bony prominence on either side of the ankle.
- ABCD rating A staging system for prostate cancer. See the Jewett staging system
- Pellagra >Diarrhea; >Dermatitis: A scaly rash on skin exposed to light or trauma; >Dementia: Mental disorientation…