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).
Sinus
1. An air-filled cavity in a dense portion of a skull bone. The sinuses decrease the weight of the skull. The sinuses are formed in four right-left pairs. The frontal sinuses are positioned behind the forehead, while the maxillary sinuses…
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Show more- Catamenia Menstruation
- Ut dict. Abbreviation meaning 'as directed' (from the Latin 'ut dictum', as directed). One of a number of hallowed…
- Deafness, congenital Deafness, congenital: Loss of hearing present at birth. Congenital deafness contrasts to acquired deafness…
- Sclerose en plaques French for multiple sclerosis. Literally, sclerosis in plaques
- Epididymis A structure within the scrotum attached to the backside of the testis. The epididymis is a coiled segment of…
- Septuagenarian Someone in his or her seventies. See also: Age by decade
- Syndrome, Cockayne See: Cockayne syndrome
- Cystocele Bulging of the bladder into the vagina. From cysto- (the bladder) + -cele (hernia) because the bladder…
- Darwin, Charles English naturalist (1809-82), considered the father of evolution. Darwin voyaged aboard the Beagle to see the…
- Flexion The process of bending or the state of being bent. Flexion of the fingers results in a clenched fist.
- Therapy, external beam radiation Radiation focused from a source outside the body on the affected area (for example, the cancer) within the…
- CBC A commonly used abbreviation in medicine that stands for complete blood count, a set values of the cellular…