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).
Stomach cancer
Stomach cancer: Cancer of the stomach, the main organ that holds food for digestion. Worldwide, stomach cancer is the second most frequent cancer and the second leading cause of death from cancer. It can develop in any part of the stomach…
Read the definitionRandom terms
Show more- Contrast sensitivity, visual The ability to perceive differences between an object and its background
- Iatrogenic Due to the action of a physician or a therapy the doctor prescibed. An iatrogenic disease may be…
- Skeletal muscle One of three types of muscle tissue in the body (skeletal, smooth, cardiac) which represents the majority of…
- Imagery Both a mental process (as in imagining) and a wide variety of procedures used in therapy to encourage changes…
- Ptosis Downward displacement. Ptosis of the eyelids is drooping of the eyelids.
- Microarray A tool used to sift through and analyze the information contained within a genome. A microarray consists of…
- Rep 1) Roentgen equivalent physical, a unit of absorbed radiation approximately equivalent to one roentgen. 2) An…
- PCA Commonly used abbreviation for patient-controlled analgesia. Analgesia simply means relief of pain. PCA is a…
- Toll receptor One of a family of receptors that provide a critical link between immune stimulants produced by…
- Bone, endochondral Any bone that develops in and replaces cartilage. The cartilage is partially or entirely destroyed by the…
- Polycythemia Too many red blood cells. The opposite of anemia. Polycythemia formally exists when the hemoglobin, red blood…
- Hallucination A profound distortion in a person's perception of reality, typically accompanied by a powerful sense of…