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.
- 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).
Inheritance, multifactorial
The type of hereditary pattern seen when there is more than one genetic factor involved and, sometimes, when there are also environmental factors participating in the causation of a condition. Many common traits are multifactorial. Skin…
Read the definitionRandom terms
Show more- Goose bump A temporary local change in the skin when it becomes rougher due to erection of little muscles, as from cold…
- Cranial nerve IV The fourth cranial nerve, the trochlear nerve, is the nerve supply to the superior oblique muscle of the eye…
- Phrenology The study of variations in size, shape, and proportion of the cranium. Phrenology was a pseudoscience of the…
- Neurotransmitter A chemical that is released from a nerve cell which thereby transmits an impulse from a nerve cell to another…
- Lymphedema A common chronic, debilitating condition in which excess fluid called lymph collects in tissues and causes…
- Peak expiratory flow Abbreviated PEF. The maximum airflow during a forced expiration beginning with the lungs fully inflated. The…
- Atherosclerotic aneurysm The most common type of aneurysm, affecting the abdominal portion of the aorta and other large arteries…
- Zaleplon Zaleplon: Brand name: Sonata. A sedative hypnotic drug in a class closely related the benzodiazepines…
- Pacemaker, internal A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal…
- Urethral opening, female The urethra is the transport tube leading from the bladder to discharge urine outside the body. In females…
- Familial amyotrophic lateral sclerosis Amyotrophic lateral sclerosis (ALS) in which there a family history of the disease. Familial ALS constitutes…
- Osteochondritis dissecans Osteochondritis dissecans: A condition in which a fragment of bone in a joint is deprived of blood and…