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).
Antigen-presenting cell
A cell that can 'present' antigen in a form that T cells can recognize it. The cells that can 'present' antigen include B cells and cells of the monocyte lineage (including macrophages)
Read the definitionRandom terms
Show more- Anal atresia Congenital absence of an opening at the bottom end of the intestinal tract. Also called imperforate anus…
- Skeletal Pertaining to the skeleton, the bones of the body which collectively provide the framework for the body
- Dx Abbreviation standing for diagnosis, the determination of the nature of a disease. Dx may alternatively be…
- Diaphragmatic hernia Hernia: Passage of a loop of bowel through the diaphragm muscle. This type of hernia occurs as the bowel from…
- Myelogenous Referring to the nonlymphocytic groups of white blood cells, including the granulocytes, monocytes and…
- Zhong Wei Chen See: Chen, Zhong Wei
- Magnetic-targeted carrier A prayer that is said to have been written by the 12th-century physician-philosopher Moses Maimonides. Like…
- Male chromosome See: Y chromosome
- Menstrual spotting The presence of apparent menstrual blood during the wrong parts of the menstrual cycle. Some women have a…
- Hyper- A genetic disorder characterized by recurring attacks of chills and fever that usually start before the first…
- Acquired Anything that is not present at birth but develops some time later. In medicine, the word 'acquired' implies…
- Open-label trial A clinical trial in which researchers and participants know which drug or vaccine is being administered