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.
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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).
Acute brain syndrome
See: Delirium
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Show more- Human T-lymphotropic virus type I (HTLV-I) A virus often referred to simply as the human T-lymphotropic virus (HTLV). HTLV-II stands for human…
- Cryostat A chamber that can maintain very low temperatures. Medical laboratories use a cryostat to preserve frozen…
- Acid, pantothenic Pantothenic acid is vitamin B5, one of the less well known B vitamins, perhaps because it is widely…
- Phenylalanine An essential amino acid. (The human body cannot make it so it is essential to the diet.) Phenylalanine that…
- Hysteroscopy A procedure to see inside the uterus (the womb) using a viewing tube that is inserted into the vagina up…
- Familial mental retardation protein See FMRP.
- Phocomelia A congenital malformation (birth defect) in which the hands and feet are attached to abbreviated arms and…
- Mutilating keratoderma See: Vohwinkel syndrome
- Osler's nodes These are small (the size of split peas), tender, transient nodules in the pads of fingers and toes and the…
- Incontinence, fecal Inability to hold feces in the rectum. This is due to failure of voluntary control over the anal sphincters…
- Locked-in syndrome A neurological disorder characterized by complete paralysis of voluntary muscles in all parts of the body…
- Lunula 1. The crescent-shaped area at the base of a fingernail or toenail. 2. Any small crescent- or moon-shaped…