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).
Acentric chromosome
A fragment of a chromosome (one of the microscopically visible carriers of the genetic material DNA) that is lacking a centromere (the 'waist' of the chromosome essential for the division and the retention of the chromosome in the cell)…
Read the definitionRandom terms
Show more- Pharmacogenetics The merger of pharmacology and genetics into a field that pertains to the hereditary responses to drugs. For…
- Recurrent trisomy Recurrence of trisomy, as when there are two or more children with trisomy in the same family. Recurrent…
- Allergic granulomatosis A disease (also often called the Churg-Straus syndrome) characterized by inflammation of the blood vessels in…
- Dental braces (orthodontics) Dental braces (orthodontics): The use of devices to move teeth or adjust underlying bone. The ideal age for…
- BAEP (brainstem auditory evoked potentials) See: ABR test
- Syndrome, Aase-Smith I See: Aase-Smith syndrome I
- Arthrosis >Gliding -- one bony surface glides on another without angular or rotatory movement; >Angular -- occurs only…
- Craniopharyngioma A type of benign brain tumor that emerges develops from embryonic tissue that forms part of the pituitary…
- G (gram) Symbol for gram, a unit of measurement of weight and mass in the metric system. In weight, a gram is equal to…
- Epispadias Congenital (at birth) malformation in which the opening of the urethra (from whence comes the urinary stream)…
- Little People of America An organization for people of short stature whose mission is to assist dwarfs with their physical and…
- Angioedema, hereditary A genetic form of angioedema. (Angioedema is also referred to as Quinke's disease.) Persons with it are born…