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).
Failure to thrive (FTT)
Refers to a child whose physical growth is significantly less than that of peers. There is no official consensus on what constitutes failure to thrive (FTT). It usually refers to a child whose growth is below the 3rd or 5th percentiles for…
Read the definitionRandom terms
Show more- Pain, ankle Pain felt in the low or upper back. There are many causes of back pain. Pain in the low back can relate to…
- Subq Abbreviation for subcutaneous. Subcutaneous means under the skin. It implies just under the skin. With a…
- Fluoridation, water See: Water fluoridation
- Xanthopsia A form of chromatopsia, a visual defect in which objects appear as if they have been overpainted with an…
- HEV Hepatitis E virus
- Vertebra A vertebra is one of 33 bony segments that form the spinal column of humans. There are 7 cervical, 12…
- HHDN The abbreviation for the scientific name of aldrin. (The scientific name for aldrin…
- Corneal dystrophy, lattice See: Lattice dystrophy
- Proteus syndrome A disturbance of cell growth including benign tumors under the skin, overgrowth of the body, often more on…
- Rickets, hypophosphatemic A familial form of rickets characterized by hypophosphatemia (low blood phosphate level), defective…
- Tongue The tongue is a strong muscle anchored to the floor of the mouth. It is covered by the lingual membrane which…
- Paricalcitol A vitamin D analogue. Brand name: Zemplar. In 1998 paricalcitol was approved by the FDA for the treatment of…