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).
Map-dot-fingerprint type corneal dystrophy
A disorder in which the cornea (the normally clear front window of the eye) shows geographic map-like lines, dots (or microcysts), and grayish fingerprint lines on examination with a slit-lamp, a device that focuses a high intensity light…
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Show more- Prostaglandin E2 One of the prostaglandins, a group of hormone-like substances that participate in a wide range of body…
- Absent eye Also called anophthalmia, a congenital malformation (birth defect) of the globe. Anophthalmia refers…
- Glutathione S-transferase omega-1 An enzyme that remarkably influences the age of onset of symptoms of two common degenerative brain disorders…
- Melan- (prefix) Prefix meaning dark or black. It comes from the Greek 'melas', black. Examples of terms containing melan-…
- Pap Smear Pap Smear: A screening test for cervical cancer based on the examination under the microscope of cells…
- Ganglia, basal A region located at the base of the brain composed of 4 clusters of neurons, or nerve cells. This area of the…
- Antidote An agent that counteracts a poison and neutralizes its effects. A chemical antidote is a substance that…
- Lens The transparent structure inside the eye that focuses light rays onto the retina (the nerve layer that lines…
- Hysteroscopy A procedure to see inside the uterus (the womb) using a viewing tube that is inserted into the vagina up…
- OSHA The Occupational Safety and Health Administration, an agency of the US government under the Department of…
- Body stuffing The swallowing of relatively small amounts of loosely wrapped illicit drugs because of the fear of arrest
- Kostmann disease Children born with this condition lack neutrophils (a type of white blood cell that is important in fighting…