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).
Vision, macular
The macula is a special area in the center of the retina, the light-sensitive layer of tissue at the back of the eye. As we read, light is focused onto our macula. There, millions of cells change the light into nerve signals that tell the…
Read the definitionRandom terms
Show more- Collateral In anatomy, a collateral is a subordinate or accessory part. A collateral is also a side branch, as of a…
- Gastrostomy A surgical opening into the stomach. This opening may be used for feeding usually via a feeding tube called a…
- Deletion Loss of a segment of DNA from a chromosome (and hence from the genome). The first human chromosome deletion…
- Basic Local Alignment Search Tool Abbreviated BLAST. A computer program that identifies homologous genes in different organisms (such as worms…
- Arrhythmias, slow Abnormally slow heart rhythms, medically termed bradycardia
- Ileus, meconium Obstruction of the intestine (ileus) due to overly thick meconium, the dark sticky stuff that is normally…
- Rehydration The process of restoring lost water to the body tissues and fluids. Prompt rehydration is imperative whenever…
- Intracranial hematoma A hematoma (a collection of blood) within the cranium (skull). The bleed may or may not be within the brain…
- Joint, patellofemoral One of the knee joints. The knee has three parts. The thigh bone (femur) meets the large shin bone (tibia)…
- Acetyl CoA See: Acetyl coenzyme A
- Rheumatism, psychogenic Rheumatism in which the patient reports inconsistent pains of muscles and joints that do not correspond to…
- Allopathist See: Allopath