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).
Sub-
Prefix meaning meaning under, below, less than normal, secondary, less than fully. As in subacute, subaortic stenosis, subarachnoid, subclavian, subclinical disease, subcutaneous, subdural, subglottis, subjacent, sublingual, subluxation…
Read the definitionRandom terms
Show more- Antisocial personality disorder Antisocial personality disorder: A pervasive pattern of disregard for and violation of the rights of others…
- Ventricle, third >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres, one in each hemisphere. Each…
- Noisome Offensive to the senses and especially disgusting, offensive, or harmful to the sense of smell. For example…
- Autograft Tissue transplanted from one part of the body to another in the same individual. Also called an autotransplant
- Neurectomy The removal of part or all of a nerve
- Superior vena cava A large vein that receives blood from the head, neck, upper extremities, and thorax and delivers it to the…
- Meningomyelocele Protrusion of the membranes that cover the spine but some of the spinal cord itself through a defect in the…
- Syndrome, battered child A disease in which children are physically abused. The battered child syndrome is a form of child abuse. Not…
- Miner's asthma See: Black lung disease
- Fever, familial Mediterranean (FMF) An inherited disorder featuring short recurring crises of severe abdominal pain and bouts of fever. Other…
- Megakaryocyte A giant cell in the bone marrow that is the ancestor of blood platelets.
- Vasodilators Agents that act as blood vessel dilators (vasodilators) and open vessels by relaxing their muscular walls…