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).
Retinal vasculitis
Vasculitis: The retina is the portion of the eye that contains the nerves of sensation that perceive light. It is also filled with tiny blood vessels. Vasculitis of the eye is typically the result of inflammation of the tiny blood vessels…
Read the definitionRandom terms
Show more- Omphalocele A birth defect in which part of the intestine, covered only by a thin transparent membrane, protrudes outside…
- Vomitus Matter from the stomach that has come up into and may be ejected beyond the mouth, due to the act of…
- RNA virus A virus in which the genetic material is RNA. The RNA may be either double- or single-stranded. There are 6…
- ABR test >Hearing integrity (and neurologic normalcy) in infants and young children. >Neurologic integrity (and…
- Vein, inferior vena cava A large vein that receives blood from the lower extremities, pelvis and abdomen and empties it into the right…
- Neuroendocrine cancer of the skin Also called Merkel cell carcinoma. An uncommon but highly malignant skin tumor that characteristically starts…
- Panencephalitis, subacute sclerosing (SSPE) A chronic brain disease of children and adolescents that occurs months to often years after an attack of…
- Female condom Although the word 'condom' usually conjures up the male condom, there is a female condom. The Reality Female…
- Inhibitor, ACE See: ACE inhibitor
- Cervical vertebra, second The second cervical vertebra is called the axis. It is so-named because the uppermost cervical vertebra…
- Zygomatic bone The part of the temporal bone of the skull that forms the prominence of the cheek. The zygomatic bone is also…
- Minimally invasive lung volume reduction Minimally invasive techniques for reducing the lung volume in advanced emphysema, including COPD, to improve…