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).
Cystoscope
An optical instrument (a scope) that is inserted through the urethra into the bladder. A cystoscope has two ports. Aside from the optical port that permits one to see inside the bladder, there is an additional port in the instrument for…
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Show more- Chalazion Chalazion: A cyst of the little glands in the eyelids that make a lubricant which they discharge through tiny…
- Ehlers-Danlos syndrome See: Ehlers-Danlos syndrome, dermatosparaxis type.
- Anal fissure Anal fissure: Common tear in the anal canal. Anal fissure is a common cause of red blood in the stool.
- Tympanites A hollow drum-like sound produced when a gas-containing cavity is tapped sharply. Tympanites is heard if the…
- Bloody show 1. The blood-tinged mucus created by extrusion and passage of the mucous plug that filled the cervical canal…
- Keratectomy Removal of part of the cornea. This can be done by surgical excision or by laser. One such laser procedure is…
- Beriberi A syndrome characterized by inflammation of multiple nerves (polyneuritis), heart disease (cardiopathy), and…
- Salicylic acid A substance obtained from plants (white willow back and wintergreen leaves) and also synthesized which is…
- Alarm clock headache A relatively rare form of headache in which the patient is awakened from sleep at the same time every night…
- Mastocyte A mast cell
- Disease, Forestier A severe form of hemorrhagic fever which affects both humans and non-human primates. Caused by a genetically…
- Hypnic jerk The common normal phenomenon of jerking awake, usually accompanied by a feeling of falling, just as one is…