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.
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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).
Tomogram
A radiograph (x-ray) of a selected layer of the body made by tomography. A tomogram is a two-dimensional image representing a slice or section through a three-dimensional object. The term tomogram may be made more specific, as in…
Read the definitionRandom terms
Show more- RANTES A cytokine that is a member of the interleukin-8 superfamily of cytokines. RANTES is a protein. It is a…
- H. sapiens See: Homo sapiens
- RWI Recreational water illness
- Thymus A lymphoid organ situated in the center of the upper chest just behind the sternum (breastbone). It is in the…
- Pollen Small, light, dry protein particles from trees, grasses, flowers, and weeds that may be spread by the wind…
- Poland syndactyly A unique pattern of one-sided malformations characterized by a defect of the chest (pectoralis) muscle on one…
- Extrinsic 1. Not an essential or inherent part of a something such as a structure.2. Coming from the outside. Extrinsic…
- Melanoma, amelanotic A form of melanoma in which the malignant cells (melanocytes) do not make the pigment melanin. Amelanotic…
- Macerate To soften tissues after death by soaking and by enzymatic digestion, as occurs with a stillborn. The word…
- Systole The time period when the heart is contracting. The period specifically during which the left ventricle of the…
- Gy Abbreviation for gray
- Semen DNA analysis Surface EMG.