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).
FTT
Failure to thrive. Refers to a child whose physical growth is significantly less than that of peers. There is no official consensus on what constitutes FTT. It usually refers to a child whose growth is below the 3rd or 5th percentiles for…
Read the definitionRandom terms
Show more- Alzheimer's disease Alzheimer's disease: A progressive neurologic disease of the brain that leads to the irreversible loss of…
- Mitochondrial encephalopathy, MELAS MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Stroke-like episodes. MELAS is a…
- Vaccination, varicella A live attenuated (weakened) viral vaccine that is recommended for people traveling to or living in tropical…
- Eczema Eczema: A particular type of inflammatory reaction of the skin in which there are typically vesicles (tiny…
- Heart The muscle that pumps blood received from veins into arteries throughout the body. It is positioned in the…
- Histone A protein around which DNA coils to form chromatin. Without this protein material, DNA could not organize…
- Salivary gland One of the glands in the mouth that produce saliva. There are 3 major salivary glands. They are the parotid…
- Radiation 1. Rays of energy. Gamma rays and X-rays are two of the types of energy waves often used in medicine. 2. The…
- Anthropology, forensic Forensic: See: Forensic anthropology
- Trichomonas A single-celled protozoan parasite best known in medicine because one species causes vaginitis (vaginal…
- Palpebral conjunctiva The part of the conjunctiva, a clear membrane, that coats the inside of the eyelids. The palpebral…
- Scrofulous 1. Literally, relating to scrofula (tuberculosis of the lymph nodes, particularly of the neck). 2…