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- Heel prick A procedure in which the heel is pricked and then a small amount of the blood is collected, usually with a…
- Anterior cruciate injury A knee injury involving the anterior cruciate ligament (ACL). The ACL runs diagonally across the front of the…
- Nidus The Latin word for 'nest', nidus is used in medicine to refer to any structure that resembles a nest in…
- Inversion, chromosome A chromosome segment is clipped out, turned upside down and reinserted back into the chromosome. A chromosome…
- RNA virus, negative-strand See: Negative-strand RNA virus
- Axelrod See: Axelrod, Julius
- Visual receptor The layer of rods and cones that are the visual cells of the retina
- Gene transfer The insertion of unrelated genetic information in the form of DNA into cells. There are different reasons to…
- Neck, wry Medically called spasmodic torticollis, or torticollis. The most common of the focal dystonias. In…
- Intubation The process of putting a tube into a hollow organ or passageway, often into the airway. The opposite of…
- Hormone, parathormone Hormone made by the parathyroid gland (behind the thyroid gland in the neck). Parathormone (pronounced…
- PMLD Pelizaeus-Merzbacher-like disease