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).
Lateral X-ray
An X-ray picture taken from the side
Read the definitionRandom terms
Show more- Caspase 3 An enzyme that plays a key role in programmed cell death, or apoptosis. Caspase 3 has been called the…
- Med1 DNA repair gene A gene that codes for one of the key enzymes involved in repairing DNA. The DNA in genes is constantly…
- Nephrology The art and science of the care of the kidney.
- Postmaturity Overly mature, overly developed, especially as regards a baby. A baby born 2 weeks (14 days) or more after…
- Immunocompromised Having an immune system that has been impaired by disease or treatment
- Nodular hyperplasia of the prostate See: Benign prostatic hyperplasia
- Plaque, skin A plaque is a broad, raised area on the skin. Because it is raised, it can be felt (palpated). By definition…
- Diplopia, monocular Double vision (diplopia) in only one eye. The double vision persists when the other eye is covered. Monocular…
- Gonad A reproductive gland (ovary or testis) that produces germ cells (gametes). In embryonic life, the gonad in…
- Cognitive Pertaining to cognition, the process of knowing and, more precisely, the process of being aware, knowing…
- Melanosis coli Melanosis coli (Pseudomelanosis coli): A benign, reversible condition usually, but not always, associated…
- Claudication, intermittent Claudication, intermittent: An aching, crampy, tired, and sometimes burning pain in the legs that comes and…