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).
Hallucination
A profound distortion in a person's perception of reality, typically accompanied by a powerful sense of reality. An hallucination may be a sensory experience in which a person can see, hear, smell, taste, or feel something that is not…
Read the definitionRandom terms
Show more- Superior A large vein that receives blood from the head, neck, upper extremities, and thorax and delivers it to the…
- Neonatal chloramphenicol toxicity See: Gray baby syndrome
- Complete blood count Complete blood count: A set values of the cellular (formed elements) of blood. These measurements are…
- CALLA Common acute lymphocytic leukemia antigen. See: Metallomembrane endopeptidase
- Macula A macula is a small spot. A macula on the skin is a small flat spot while the macula in the eye is a small…
- Epidermal growth factor receptor EGFR
- Colon polyp family history See: Colon cancer family history
- Quintox Trade name of the insecticide dieldrin. See: Aldrin and dieldrin
- Palpate To touch or feel. For example, the edge of an enlarged liver may be palpated below the rib cage. From the…
- Fear of crossing streets Abnormal and persistent fear of crossing streets, highways and other thoroughfares; fear of thoroughfares…
- Radiation therapy, internal Radiation therapy in which a small container of radioactive material is implanted in the body, in or near the…
- Immunogenetics The genetics (inheritance) of the immune response. For example, the study of the Rh, ABO and other blood…