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).
Bone type
One of the four basic bone shapes in the human skeleton -- long bones, short bones, flat bones, and irregular bones. Long bones have a tubular shaft and articular surface at each end. The major bones of the arms (humerus, radius, and ulna)…
Read the definitionRandom terms
Show more- Zona pellucida The strong membrane that forms around an ovum as it develops in the ovary. The membrane remains in place…
- Oncologist A physician who specializes in the diagnosis and treatment of cancer. A clinical oncologist is usually…
- Anisocoria Both pupils are usually of equal size. If they are not, that is termed anisocoria (from 'a-', not + 'iso'…
- Cancer of the appendix See: Appendix cancer
- Random number table A table of numbers generated in an unpredictable, haphazard sequence. Tables of random numbers are used to…
- Unguis incarnatus Ingrown toenail
- Cytomegalovirus (CMV) A virus that infects 50-85% of adults in the US by age 40 and is also the virus most frequently transmitted…
- Osteogenesis imperfecta congenita See: Osteogenesis imperfecta type II.
- Dystocia, placental See: Placental dystocia
- Myelitis Inflammation of the spinal cord.
- Secondary pulmonary arterial hypertension See: Pulmonary hypertension
- Anemia, aplastic See: Aplastic anemia