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).
Fatty aldehyde dehydrogenase deficiency
Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a triad of clinical findings consisting of ichthyosis (thickened fish-like skin), spastic paraplegia (spasticity of the legs) and…
Read the definitionRandom terms
Show more- Cysticercus The larval form of any of the Taenia tapeworms. The plural is cysticerci. Infection with cysticerci is…
- Helix, double The structure of DNA with the two strands of DNA spiraling about one other. The double helix looks something…
- Quiescence Inactivity, quietness. In cells, quiescence is the state of not dividing. In neurons (nerve cells)…
- Medicine, Chinese See: Traditional Chinese medicine
- Scan, spiral CAT A conventional computerized axial tomography scan (CAT scan or CT scan) is an x-ray procedure which combines…
- Genome, roundworm See: Yeast genome.
- Strait jacket See: Straitjacket
- Sting, jellyfish The injection into the skin of venom from the stinging unit (the nematocyst) of the jellyfish. The jellyfish…
- Biopsy, brain See: Brain biopsy
- Side effects Problems that occur when treatment goes beyond the desired effect. Or problems that occur in addition to the…
- Prepuce The fold of skin that covers the head of the penis. Also known as the foreskin. Only about 1 in every 20 boys…
- Naprelan See: Naproxen