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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Abortion, spontaneous
A miscarriage, that is, any pregnancy that is not viable (the fetus cannot survive) or in which the fetus is born before the 20th week of pregnancy. Spontaneous abortion occurs in at least 15-20% of all recognized pregnancies and usually…
Read the definitionRandom terms
Show more- Meiosis The process of germ cell formation. During meiosis, each chromosome pairs with the other chromosome in the…
- Therapy, psychodynamic See: Psychodynamic therapy
- Seedrin Trade name of the insecticide aldrin. See: Aldrin and dieldrin
- Ocular prosthesis 1. An artificial replacement for an eyeball. In other words, an artificial eye, a globe of glass or plastic…
- Benzo(a)pyrene Abbreviated B(a)P. A member of a class of compounds known as polycyclic aromatic hydrocarbons (PAHs). B(a)P…
- Astigmatism Astigmatism: A common form of visual impairment in which part of an image is blurred, due to an irregularity…
- Ventricle, fourth >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres, one in each hemisphere. Each…
- Grief, anticipatory See: Anticipatory grief
- Reflex, quadriceps See: Knee jerk
- Drug caution codes Abbreviations on medications that indicate caution. While not a part of the historical heritage of ancient…
- Keloid Keloid: A scar that doesn't know when to stop. When the skin is injured, cells grow back to fill in the gap…
- Frozen shoulder Frozen shoulder: Constant severe limitation of the range of motion of the shoulder due to scarring around the…