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).
Spots in front of the eyes
Also known as 'floaters', blurry spots that drift in front of the eyes but do not block vision. The blur is the result of debris from the vitreous casting a shadow on the retina. The spot is the image formed by a deposit of protein…
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Show more- Diarrhea and dermatitis, zinc deficiency Diarrhea and dermatitis, zinc deficiency: Among the consequences of zinc deficiency, dermatitis (skin…
- Arteriole A small branch of an artery (a vessel that carries blood high in oxygen away from the heart to the body)…
- Pituitary, anterior The front portion of the pituitary, a small gland in the head called the master gland. Hormones secreted by…
- Otoscope Instrument for looking in the ear. Today, otoscopic or ophthalmoscopic heads can usually be attached to the…
- Ultrafast CT Electron beam computerized tomography (EBCT), a new (and controversial) noninvasive test for the detection of…
- Vasodilation Widening of blood vessels resulting from relaxation of the muscular wall of the vessels. What widens is…
- Psychosomatic illness The mind influences the body to create or exacerbate illness.
- Compress 1. As a noun, a cloth or another material applied under pressure to an area of the skin and held in place for…
- Microvascular surgery Surgery on very small blood vessels such as those only 3 to 5 millimeters in diameter. Microvascular surgery…
- RFLP An antigen found in the red blood cells of most people: those who have Rh factor are said to be Rh positive…
- Pia mater One of the meninges, the pia mater is the delicate innermost membrane enveloping the brain and spinal cord…
- Fear of marriage An abnormal and persistent fear of being married. Sufferers of this phobia experience undue anxiety even…