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).
Pregnancy, dangerous drugs during
A teratogen is an agent that can disturb the development of the embryo or fetus. Teratogens halt the pregnancy or produce a congenital malformation (a birth defect). Classes of teratogens include radiation, maternal infections, chemicals…
Read the definitionRandom terms
Show more- Inversion, paracentric chromosome A basic type of chromosome rearrangement in which a segment that does not include the centromere (and so is…
- Extrapulmonary tuberculosis See: Tuberculosis, extrapulmonary. See also: Tuberculous meningitis
- Protein kinase A regulatory subunit 1-alpha See: PRKAR1A
- RFA Radiofrequency ablation
- Heart, artificial A manmade heart. An artificial heart was temporarily implanted in 1969 by Denton Cooley in Houston, Texas…
- AKU Alkaptonuria
- History, developmental An account of how and when a person met developmental milestones, such as walking and talking. For adults…
- Extradural hematoma See: Epidural hematoma
- Camisole A straitjacket. The term camisole was borrowed from the French and refers to a woman's garment, usually…
- Motion sickness Motion sickness: Motion sickness is a very common disturbance of the inner ear that is caused by repeated…
- Donor insemination A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Vena cava The superior vena cava is the large vein which returns blood to the heart from the head, neck and both upper…