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).
Vertebra
A vertebra is one of 33 bony segments that form the spinal column of humans. There are 7 cervical, 12 thoracic, 5 lumbar, 5 sacral (fused into one sacrum bone) and 4 coccygeal (fused into one coccyx bone).
Read the definitionRandom terms
Show more- Emetophobia An abnormal and persistent fear of vomiting. Sufferers of emetophobia experience undue anxiety even though…
- Tonsillectomy Tonsillectomy: The surgical removal of both tonsils. A tonsillectomy may be performed in cases of recurrent…
- Foot The end of the leg on which a person normally stands and walks. The foot is an extremely complex anatomic…
- Small calorie (Calorie) A type of lung cancer in which the cells appear small and round under the microscope. Also called oat cell…
- Conjunctivitis, allergic Inflammation of the whites of the eyes (the conjunctivae) with itching and redness of the eyes and tearing…
- Reproduction The production of offspring. Reproduction need not be sexual. Yeast can reproduce by budding
- Vaccine, oral polio See: Polio vaccine, oral
- Contrast Short for 'contrast media.' Contrast media are X-ray dyes used to provide contrast, for example, between…
- Hypercarbia More than the normal level of carbon dioxide in the blood. Hypercarbia is the opposite of hypocarbia
- Caries Dental cavities. Holes in the two outer layers of a tooth called the enamel and the dentin. The enamel is the…
- Unguis incarnatus Ingrown toenail
- Olivary Pertaining to the olive, a structure in the brain