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).
Tag, skin
A small tag of skin that may have a stalk (a peduncle). Skin tags may appear on the skin almost anywhere although the favorite locales are the eyelids, neck, armpits (axillae), upper chest, and groin. Invariably benign, this tiny tumor of…
Read the definitionRandom terms
Show more- Keratectomy, photorefractive (PRK) A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for…
- Michael Stuart Brown See: Brown, Michael Stuart
- Capsulitis Inflammation of the capsule of the lens, joint, liver, or labyrinth. See also: Adhesive capsulitis
- Antiestrogen A substance that can prevent the full expression of estrogen. Antiestrogens act by exerting antagonistic…
- Ovary The female gonad, the ovary is one of a pair of reproductive glands in women. They are located in the pelvis…
- Introitus, facial canal In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the…
- Hansen bacillus Mycobacterium leprae, the agent of leprosy (Hansen disease)
- Plague, fowl The "Great Plague" that swept London in 1665 was probably not really the plague but rather typhus. The plague…
- Cat cry syndrome A disorder caused by the loss of part of the short (p) arm from chromosome 5. Also called the cri du chat (or…
- Disease, Cushing The constellation of symptoms and signs caused by an excess of cortisol hormone. Cushing disease (or…
- Hirschsprung disease Hirschsprung disease: A congenital abnormality (birth defect) of the bowel in which there is absence of the…
- Arachnophobia An abnormal and persistent fear of spiders. Sufferers from arachnophobia experience undue anxiety even though…