MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Systolic
The blood pressure when the heart is contracting. It is specifically the maximum arterial pressure during contraction of the left ventricle of the heart. The time at which ventricular contraction occurs is called systole. In a blood…
Read the definitionRandom terms
Show more- Weighing, underwater See: Underwater weighing
- Arteriovenous malformation Dth='100%' border=0> ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our…
- Perchlorate A chemical used as the primary ingredient of solid rocket propellant and in munitions beginning in the 1950s…
- Contraindication >An absolute contraindication is a situation which makes a particular treatment or procedure absolutely…
- Boutonneuse Fievre boutonneuse or African tick typhus, one of the tick-borne rickettsial diseases of the eastern…
- Hemarthrosis Blood in a joint.
- Urethral meatus, female The urethra is the transport tube leading from the bladder to discharge urine outside the body. In females…
- Weaver-Smith syndrome. See: Weaver syndrome
- Liver cancer, childhood See: Childhood liver cancer
- Hemorrhagic Pertaining to bleeding or the abnormal flow of blood. The patient may have an internal hemorrhagic problem…
- Photophobia Painful oversensitivity to light. For example, there is photophobia in measles (rubeola). Keeping the lights…
- Head and neck cancer Head and neck cancer: The common carcinomas of the oral cavity, pharynx, and larynx as well as other tumors…