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).
Absent eye
Also called anophthalmia, a congenital malformation (birth defect) of the globe. Anophthalmia refers, strictly speaking, to absence of the globe and ocular tissue from the orbit. However, in most cases of anophthalmia, CT scans show some…
Read the definitionRandom terms
Show more- Runt-related transcription factor 1 See: Runx-1
- Annotation, genome The process of identifying the locations and the coding regions of genes in a genome and determining what…
- Intrauterine In the uterus (the womb). As opposed to extrauterine: outside the uterus. For example, normal pregnancies are…
- Miosis Contraction of the pupil. The opposite of mydriasis.
- Preventive medicine Medicine designed to avert and avoid disease. Screening for hypertension and treating it before it causes…
- Poison ivy Poison ivy: Skin inflammation resulting from contact with oils from the poison ivy vine. Chemicals produced…
- Toxic multinodular goiter Condition in which the thyroid gland contains multiple lumps (nodules) that are overactive, produce excess…
- Cyclops A common freshwater crustacean. Some species of Cyclops serve as hosts for parasites such as the guinea worm…
- Disc Shortened terminology for an intervertebral disc, a disk-shaped piece of specialized tissue that separates…
- Nail dysgenesis and hypodontia A genetic disorder characterized by abnormalities of the nails (nail dysgenesis) and the absence of several…
- Trabecula A partition which divides or partly divides a cavity. > >One of the strands of connective tissue projecting…
- Quackery Deliberate misrepresentation of the ability of a substance or device for the prevention or treatment of…