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).
YAC
YAC stands for yeast artificial chromosome, a vector (carrier) created and used in the laboratory to clone pieces of DNA. A YAC is constructed from the telomeric, centromeric, and replication origin sequences needed for replication in…
Read the definitionRandom terms
Show more- Hyperchloremia Elevated blood levels of chloride. Chloride is the major anion found in the fluid outside of cells and in…
- Tonsillectomy Tonsillectomy: The surgical removal of both tonsils. A tonsillectomy may be performed in cases of recurrent…
- Ethmoid bone An irregularly shaped, spongy bone that provides the floor of the front part of the skull and the roof of the…
- Vitamin O Not a true vitamin but rather a pricey health supplement that is composed largely of salt water (plus some…
- Acidophilus Bacteria found in yogurt that can help restore a supportive bacterial environment to an intestinal tract…
- Encephalitis, flavivirus See: Flavivirus encephalitis
- Multipara, grand The term 'multipara' applies to any woman who has given birth 2 or more times. A woman who has given birth 5…
- Optic neuroma A slow-growing benign tumor of the optic nerve. Optic gliomas are associated with neurofibromatosis type 1…
- Resection, video-assisted Surgery that is aided by the use of a video camera that projects and enlarges the image on a television…
- Focal dystonia due to torticollis Spasm of the muscles in the neck that control the position of the head, causing the head to twist and turn to…
- APO-1 See: FAS gene
- Colitis, granulomatous Crohn's disease of the colon (the large intestine). Crohn's disease is a chronic inflammatory disorder…