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).
S1-S5 (sacral vertebrae)
The first sacral vertebra through the fifth sacral vertebra. There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5. The sacral vertebrae are situated in the spinal column just below the lumbar vertebrae and…
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Show more- Canker sore Canker sore: A small ulcer crater in the lining of the mouth that is often painful and very sensitive. Also…
- Dysphonia See: Spasmodic dysphonia.
- Gonorrhea A sexually transmitted infection (STI) caused by the bacterium Neisseria gonorrhoea. Although gonorrhea is…
- British National Formulary Osteogenesis imperfecta, not one but a group of genetic diseases, all of which affect collagen, a key…
- Kinder-cam See: Kiddie cam
- Foramina The plural of foramen, a natural opening. As in the foramina of Luschka
- Gyneco- Combining form pertaining to women, as in gynecoid. From the Greek gyno, gynaikos meaning woman
- Floater A blurry spot that seems to drift in front of the eyes but does not block vision. The blur is the result of…
- Thyroid cartilage The largest of the cartilages of the larynx (the voice box). The thyroid cartilage is formed of two…
- Alport syndrome An hereditary condition characterized by kidney disease, sensorineural (nerve) deafness and sometimes eye…
- Fibrous dysplasia, monostotic Excessive growth of hard fibrous tissue that replaces normal bone tissue in a single bone. Symptoms may…
- Cranium The upper portion of the skull, which protects the brain. The bones of the cranium include the frontal…