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).
Phenothiazine
One of a group of tranquilizing drugs with antipsychotic actions thought to act by blocking dopaminergic transmission (messages sent using the substance dopamine) within the brain. Examples of phenothiazines include: chlorpromazine (brand…
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Show more- Spine, slipped See: Spondylolisthesis
- Methemoglobinemia The presence in the blood of methemoglobin, a form of hemoglobin that is useless for carrying oxygen and…
- Urea A nitrogen-containing substance normally cleared from the blood by the kidney into the urine. Diseases that…
- Thyroid stimulating hormone A hormone produced by the pituitary gland at the base of the brain in response to signals from the…
- Airway The path air follows to get into and out of the lungs. The mouth and nose are the normal entry and exit…
- Chloride The major anion (negatively charged substance) in the blood and extracellular fluid (the body fluid that lies…
- Phospholipase An enzyme that catalyzes the splitting of a phospholipid molecule by the addition of water. Also called a…
- Drusen Tiny yellow or white deposits in the retina of the eye or on the optic nerve head. The presence of drusen is…
- Heteromorphism Something different in form. Chromosome heteromorphisms are normal variations in the appearance of chromosomes
- Mesenteric artery One of the arteries which arises from the abdominal portion of the aorta and distributes blood to most of the…
- Asthma susceptibility gene One of the genes that predisposes a person to asthma. A new gene family that plays a major role in asthma…
- Cyclothymia A form of bipolar disorder in which the mood swings are less severe. See also bipolar disease.