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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Cl (chloride)
Cl is the chemical symbol for chloride, the major anion found in the fluid outside of cells and in blood. An anion is the negatively charged part of certain substances such as table salt (sodium chloride or NaCl) when dissolved in liquid…
Read the definitionRandom terms
Show more- Hypervolemia An abnormal increase in blood volume or, strictly speaking, an abnormal increase in the volume of blood…
- Familial polyposis An inherited condition in which several hundred polyps develop in the colon and rectum.
- Factor X A laboratory-made agent similar to a normally existing substance in the body that stimulates the production…
- Horace Albert Barker See: Barker, Horace Albert
- Phosphorus An essential element in the diet and a major component of bone. Phosphorus is also found in the blood…
- Propionibacterium acnes A ubiquitous skin-dwelling organism that is involved in causing acne.In addition to acne, this bacterium (P…
- Toxoplasmosis (toxo) Toxoplasmosis (toxo): An infection caused by a single-celled parasite named Toxoplasma gondii that may invade…
- Atropine A drug obtained from belladonna that is administered via injection, eye drops, or in oral form to relax…
- Eye bleed Medically called a subconjunctival hemorrhage. A very common cause of a painless bloody eye usually first…
- Tunica albuginea of the testis The layer of dense whitish inelastic tissue that surrounds the testis
- Hematology-oncology The diagnosis, treatment and prevention of blood diseases (hematology) and cancer (oncology) and research…
- Chloropicrin A riot control agent or 'tear gas.' See: Riot control agent poisoning