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).
Gerascophobia
An abnormal and persistent fear of growing old. Sufferers of this fear experience undue anxiety about aging even though they may be in good health--physically, economically and otherwise. They may worry about the loss of their looks, the…
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Show more- Matter, white The part of the brain that contains myelinated nerve fibers. The white matter is white because it is the…
- Advanced maternal age Usually defined as age 35 or more for the mother at the time of delivery of her baby. Advanced maternal age…
- Vertebrae, sacral There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5 and are situated…
- Hydrocarbon An organic compound composed exclusively of hydrogen and carbon. All hydrocarbons have a carbon backbone with…
- Mutation, null A mutation (a change) in a gene that leads to its not being transcribed into RNA and/or translated into a…
- OxyContin OxyContin: A prescription painkiller that has become a popular and dangerous recreational drug. Also called…
- Acetabular Pertaining to the acetabulum, the cup-shaped socket of the hip joint which is a key feature of the pelvis…
- Centigrade Thermometer scale in which the freezing point of water is 0°C and the boiling point of water at sea level is…
- Uterine rupture A tear of the uterus, an uncommon but very serious situation that may result in hysterectomy, urologic…
- Strep, group A A well-known strain (a type) of streptococcus (strep) bacteria that can cause strep throat and common skin…
- Neurosurgeon A physician trained in surgery of the nervous system and who specializes in surgery on the brain and other…
- Activities of daily living (ADLs) The things we normally do in daily living including any daily activity we perform for self-care (such as…