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).
Hemorrhoidectomy
Surgical removal of hemorrhoids (enlarged and dilated veins in and around the rectum and anus). Hemorrhoidectomy is usually reserved for severe hemorrhoids if more conservative treatment measures fail to alleviate the symptoms (burning…
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Show more- Y chromosome sex-determining region See: Y sex-determining region
- Catheter A thin, flexible tube. For example, a catheter placed in a vein provides a pathway for giving drugs…
- Conjunctival fornix The fornix of the conjunctivae refers to loose arching folds connecting the conjunctival membrane lining the…
- Marrow The bone marrow
- Ship fever An old name for epidemic typhus, which was common in the crowded conditions aboard ship. Ship Fever and Other…
- Sickness, altitude >If possible, don't fly or drive to high altitude. Start below 10,000 feet (3,048 meters) and walk up. >If…
- Sore 1. (adjective) A popular term for painful. I have sore fingers from typing dictionary terms. She has a sore…
- Jellyfish itch An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Human cloning Human cloning for the purposes of creating a human being. Also called human reproductive cloning. The…
- Primary progressive aphasia An atypical dementia characterized by a relentless dissolution of language with memory relatively preserved…
- Vesicate A substance that causes tissue blistering. Also referred to as a vesicant.
- Catheter, Foley A flexible plastic tube (a catheter) inserted into the bladder to provide continuous urinary drainage. The…