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).
Cage, rib
The structure formed by the thoracic vertebrae and ribs, the sternum (breastbone), and the costal cartilages (that attach the ribs to the sternum). A cage is an enclosure made of 'open work' that usually houses animals. The rib cage was…
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Show more- Eye retraction syndrome See: Duane syndrome
- Clinical cytogenetics The application of chromosome studies to clinical medicine. For example, clinical cytogenetic testing is done…
- Photorefractive keratectomy (PRK) A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for…
- Hormone,T4 Thyroxine
- Vasodilation Widening of blood vessels resulting from relaxation of the muscular wall of the vessels. What widens is…
- Minimal residual disease Evidence for the presence of residual malignant cells, even when so few cancer cells are present that they…
- Bioactive Having an effect upon a living organism, tissue, or cell. Biologically active. Antibiotic, enzymes, and…
- X-ray, lateral An X-ray picture taken from the side
- Scabies, crusted A severe form of scabies caused by delayed treatment of the initial infestation, characterized by mite-filled…
- Epigastrium The part of the abdominal wall above the umbilicus (belly button). The hypogastrium is the part of the…
- Multiple lentigines syndrome See: LEOPARD syndrome
- Nipple absence Medically called athelia, this is a rare condition but it is common in certain conditions. Athelia tends to…