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).
Immunocompromised
Having an immune system that has been impaired by disease or treatment
Read the definitionRandom terms
Show more- Hypochondriasis The belief and fear of serious illness which lasts for six months, beyond and despite medical reassurance…
- Guttate psoriasis A type of psoriasis characterized by red, scaly patches of inflamed skin on all parts of the body. It is…
- Film, lateral An X-ray picture taken from the side
- Witkop syndrome A genetic disorder characterized by the absence of several teeth at birth and abnormalities of the nails. The…
- Travel medicine Travel medicine: A branch of medicine that specializes in diseases and conditions that are acquired during…
- Rosacea keratitis A condition affecting the eyes in about half of all cases of rosacea. It is characterized by burning and…
- Anophthalmia Absence of the eye, as a result of a congenital malformation (birth defect) of the globe. Anophthalmia…
- M.D. Abbreviation for the Latin title Medicinae Doctor, Doctor of Medicine. Sometimes written today as MD (without…
- Conjoined twin Identical (monozygotic) twins that did not separate fully from one another but are still partially united…
- Adverse effect A harmful or abnormal result. An adverse effect may be caused by administration of a medication or by…
- GOLD-0 One of the stages of chronic obstructive lung disease (COPD), according to the Global Initiative for Chronic…
- Carbon dioxide content A measure of the bicarbonate level in the blood. The normal carbon dioxide content may vary somewhat from one…