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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Vertebrae, sacral
There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5 and are situated between the lumbar vertebrae and the coccyx (the lowest segment of the vertebral column). The sacral vertebrae are normally fused to…
Read the definitionRandom terms
Show more- Nephritis, acute Sudden inflammation of the kidney. Diagnosis is by finding blood or protein in the urine. There is often…
- Antigen, prostate specific See: PSA
- Premature contraction of the heart When a single heartbeat occurs earlier than normal. This phenomenon can be within normal limits or represent…
- Transplantation genetics The field of biology and medicine relating to the genes that govern the acceptance or rejection of a…
- Ketone bodies Chemicals that the body makes when there is not enough insulin in the blood and it must break down fat…
- MEDVAC Acronym for medical evacuation. MEDVAC typically refers to a team that is organized with the skills for the…
- John W. Kirkland See: Kirklin, John W.
- Submaxillary gland See Submandibular gland.
- Hypertrophic Exhibiting hypertrophy (enlargement or overgrowth of an organ or part of the body due to increased size of…
- Idiopathic nephrotic syndrome of childhood See: Minimal change disease
- Seborrheic eczema Yellowish, oily, scaly patches of skin on the scalp, face, and occasionally other parts of the body
- Somnoplasty Somnoplasty: A surgical treatment to stop snoring. Somnoplasty uses heat energy to remove tissues of the soft…