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).
Ulnar
Referring to the larger of the two long bones in the forearm. (The smaller one is the radius). The ulna is on the same side of the arm as the little finger
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- EPS Stands for ElectroPhysiologic Study, a test of the electrical conduction system of the heart (the system that…
- Microscope, electron See: Fluorescent microscope.
- Ubiquitous Present everywhere. The small protein called ubiquitin was so-named because it is present in all types of…
- Chromatin modelling See: Chromatin remodeling
- Down syndrome critical region Down syndrome critical region: (Abbreviated DSCR) A region on the long (q) arm of chromosome 21 thought to be…
- Immune Protected against infection. The Latin immunis means free, exempt.
- Single transverse palmar crease Preferable term for what historically was called a simian crease. See: Simian crease
- Duane and radial ray anomaly with deafness See: Okihiro syndrome
- Conjoined twins See: Conjoined twin
- Voiding cystourethrography A procedure done to examine the bladder and urethra while the bladder fills and empties. A radiopaque liquid…
- Hearing loss, age-related See: Presbycusis