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).
Cerebral herniation
The abnormal protrusion of brain tissue through an opening when there is increased intracranial pressure (when the brain is under increased pressure). The increased pressure may be due to a number of causes including inflammation of the…
Read the definitionRandom terms
Show more- Cancer of the appendix See: Appendix cancer
- Trichina spiralis Is a parasitic worm that lives in the intestines and causes a serious illness known as trichinosis. The eggs…
- Proximal white subungual onychomycosis The rarest form of fungus infection of the finger or toenail. (Fungus infection of the finger or toenail is…
- Carcinoma, ampullary Cancer of a structure called the ampulla of Vater, a small muscle located at the junction where the common…
- Immunity, acquired See: Acquired immunity
- Diprosopus Two-faced conjoined twins (incompletely separated identical twins). The twins have almost complete fusion of…
- Brain stem glioma A malignant tumor that arises in the brain stem, the part of the brain that connects to the spinal cord. The…
- Aberration (1) A deviation or irregularity. For example, a chromosome aberration is a deviation from the normal…
- Male internal genitalia The internal genital structures of the male that are concerned with reproduction, including the testis…
- Female organs of reproduction The internal genital structures of the female include the ovaries, the Fallopian tubes, the uterus (womb) and…
- Pigment A substance that gives color to tissue. Pigments are responsible for the color of skin, eyes, and hair
- Thermally induced asthma Asthma: Asthma that is 'triggered' by vigorous physical activity. Exercise-induced asthma tends particularly…