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).
Intraocular tension
The pressure within the eye. See: Intraocular pressure
Read the definitionRandom terms
Show more- Iron deficiency anemia Anemia: The most common known form of nutritional disorder in the world, iron deficiency results in anemia…
- Hypercalciuria Excess calcium in the urine
- Heart, right The heart is composed functionally of two hearts - the right heart and the left heart. The right heart…
- Caudate nucleus In each hemisphere of the brain, the most medial of the four basal ganglia, partly responsible for body…
- Pregnancy, ectopic A pregnancy that is not in the usual place and is located outside the inner lining of the uterus. A…
- Control (research) In research, control subjects or control procedures permit comparison with experimental results. The first…
- Amelanotic Without melanin. A skin lesion that is amelanotic lacks the pigment melanin and therefore is essentially…
- Para-esophageal hiatal hernia Hiatal hernias are categorized as being either para-esophageal or sliding. Para-esophageal hernias are…
- Gastroesophageal junction The junction between the stomach and the esophagus; the place where the esophagus connects to the stomach
- Pleiotropic cytokine Cytokine that affects the activity of multiple cell types. A cytokine is a small protein that has a specific…
- Bone, thigh The thigh bone in anatomy is called the 'femur.' Whichever term -- thigh bone or femur -- you care to use, it…
- Deficiency, vitamin K A lack of vitamin K resulting in an increase in the clotting time of the blood, impaired clotting and a…