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).
Paracentric chromosome inversion
A basic type of chromosome rearrangement. A segment that does not include the centromere (and so is paracentric) has been snipped out of a chromosome, turned through 180 degrees (inverted), and inserted right back into its original…
Read the definitionRandom terms
Show more- Dendritic cell A special type of cell that is a key regulator of the immune system, acting as a professional…
- Arm 1. In popular usage, the appendage that extends from the shoulder to the hand. However, the medical…
- Cell cycle The sequence of events within the cell between cell divisions. The cell cycle is conventionally divided into…
- EPO test A test of the hormone EPO (erythropoietin) in blood. The EPO level can indicate bone marrow disorders, kidney…
- Aphasia Aphasia: One in a group of speech disorders in which there is a defect or loss of the power of expression by…
- Science (journal) A weekly journal concerning science. Science was founded in 1880 by one of the world's most famous…
- ALS5 See: Amyotrophic lateral sclerosis 5
- Thyroid hormone A chemical substance made by the thyroid gland for export into the bloodstream. The thyroid gland needs…
- Multislice CT See: Multidetector computed tomography
- Prosthesis, ocular See: Ocular prosthesis
- Vaccination, pneumococcal pneumonia
- Carbon monoxide hemoglobin See: Carboxyhemoglobin