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).
Excimer laser
A laser that emits very concentrated light in the ultraviolet (UV) region of the spectrum. Excimer lasers are used, for example, in: > >Ophthalmology -- to vaporize part of the surface layer of the cornea and thus reshape the cornea to…
Read the definitionRandom terms
Show more- GSS Gerstmann-Straussler-Scheinker. See: Gerstmann-Straussler-Scheinker syndrome
- BASE breast cancer gene A breast cancer gene first reported in 2003 that encodes a protein secreted only by breast cancer and…
- Cystectomy Surgery to remove the bladder. Cystic fibrosis: A common genetic disease inherited as a recessive condition…
- Fear of closed spaces Fear of closed spaces, of being closed in or being shut in as in elevators, tunnels, or any other small…
- Menstrual synchronization A phenomenon that occurs when two or more menstruating women live together, in which the menstrual cycles of…
- Newborn intensive care unit An intensive care unit designed for premature and ill newborn babies. Abbreviated NICU. Also called a…
- Allergic contact eczema Also called allergic contact dermatitis, this is a red, itchy, weepy reaction where the skin has come into…
- Germ cell tumor A tumor that arise from a germ cell. These tumors may arise within the gonads -- the ovary and testis. Most…
- Superior vena cava A large vein that receives blood from the head, neck, upper extremities, and thorax and delivers it to the…
- NREM sleep Sleep: NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- Osteoblastoma A benign tumor in bone tissue. Osteoblastomas are small, and are seen most frequently in children or young…
- Proteasome A protein degradation 'machine' within the cell that can digest a variety of proteins into short polypeptides…