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).
Maternal
The age of the mother at the time of delivery. Advanced maternal age is usually defined as age 35 or more at delivery. Advanced maternal age predisposes to Down syndrome (trisomy 21). The risk of having a Down syndrome baby rises with…
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Show more- Metabolic syndrome Metabolic syndrome: A constellation of conditions that place people at high risk for coronary artery disease…
- Nerve, trochlear The trochlear nerve controls the superior oblique muscle of the eye, one of the extraocular muscles, the…
- Blackhead A familiar term for what is medically called an open comedo. A comedo, the primary sign of acne, consists of…
- Von Recklinghausen disease Neurofibromatosis type 1
- Gliadin A glycoprotein (a carbohydrate plus a protein) within gluten. Gliadin is found in wheat and some other…
- Phenothiazine One of a group of tranquilizing drugs with antipsychotic actions thought to act by blocking dopaminergic…
- Premalignant Pertaining to tissue that is not yet malignant, but is poised to become malignant. Appropriate clinical and…
- Diarrhea, rotavirus Diarrhea, rotavirus: A leading cause of severe winter diarrhea in infants and young children. Each year…
- Naturalistic study A type of study in which the researcher very carefully observes and records some behavior or phenomenon…
- Brown, Louise The world's first test-tube baby, conceived by in vitro fertilization and born on July 25, 1978
- Facultative 1. In general, not obligatory but rather capable of adapting to different conditions. The opposite of…
- Test, fluorescent treponemal antibody absorbed -ABS): A blood serum screening test for syphilis designed to demonstrate the presence or absence of specific…