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).
Telangiectasia perstans
A form of mastocytosis that usually affects adults, characterized by the presence of multiple hyperpigmented macules with telangiectases (visibly dilated small blood vessels), located primarily on the trunk, but also on the extremities
Read the definitionRandom terms
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- NK cell See Natural killer cell
- Aerobic Oxygen-requiring. Aerobic bacteria need oxygen to grow. Aerobic exercise requires the heart and lungs to work…
- Disc, slipped Rupturing of the tissue that separates the vertebral bones of the spinal column. The center of the disc…
- Fever blister A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…
- Supraventricular tachycardia Abbreviated SVT. A regular, abnormally fast heart beat (tachycardia) caused by rapid firing of electrical…
- Housekeeping gene A gene involved in basic functions needed for the sustenance of the cell. Housekeeping genes are…
- Vibramycin Brand name for doxycycline
- HPIV Human parainfluenza virus
- Esophageal Pertaining to the esophagus
- Eschar The scab formed when a wound or skin is sealed by the heat of cautery or burning. Also the dark crusted ulcer…
- Breathing The process of respiration, during which air is inhaled into the lungs through the mouth or nose due to…