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).
Os sacrum
The large, heavy bone at the base of the spine, which is made up of fused sacral vertebrae. The sacrum is located in the vertebral column, between the lumbar vertebrae and the coccyx. It is roughly triangular in shape, and makes up the…
Read the definitionRandom terms
Show more- Bile sludge A mixture of microscopic particulate matter in bile that occurs when particles of material precipitate from…
- Darier disease A genetic skin disease characterized by slowly progressive hardening of the skin (keratoses) around the hair…
- Cytoplasm All of the substance of a cell outside of the nucleus. The cytoplasm contains a number of different types…
- Lymphadenopathy-associated virus Another name for the human immunodeficiency virus (HIV) that causes AIDS. Please see: Lymphadenopathy virus
- Biermer's anemia Anemia: A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not produce the…
- Ulcer, gastric A hole in the lining of the stomach corroded by the acidic digestive juices which are secreted by the stomach…
- Development, Human, . . . (NICHD) Of Child Health and (NICHD): One of the US National Institutes of Health, NICHD is in a sense the NIH for…
- Fibrosis, cystic Fibrosis, cystic (CF): One of the most common grave genetic (inherited) diseases, CF affects the exocrine…
- Casals-Ariet See: Casals-Ariet, Jordi
- Childhood (1) The time for a boy or girl from birth until he or she is an adult. (2) The more circumscribed period of…
- Lightning injuries A sensation of flashing lights is created when the vitreous (the clear, jelly-like substance that fills the…
- Trisomy The presence of three copies of a chromosome rather than the normal two. The most common trisomies in…