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).
Spinal cord
The major column of nerve tissue that is connected to the brain and lies within the vertebral canal and from which the spinal nerves emerge. Thirty-one pairs of spinal nerves originate in the spinal cord: 8 cervical, 12 thoracic, 5 lumbar…
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Show more- Polyuria The excessive passage of urine (at least 2.5 liters per day for an adult) resulting in profuse urination and…
- JAK3 Or Jak3. An enzyme found only in cells in the immune system that is critical for the cell signaling process…
- Crypto Popular name for both the parasite, Cryptosporidium parvum, and the disease it causes, cryptosporidiosis
- Stone, kidney Kidney stone: A stone in the kidney (or lower down in the urinary tract). Kidney stones are a common cause of…
- White blood cell One of the cells the body makes to help fight infections. There are several types of white blood cells…
- Typhus fever See: Typhus
- Tumor, sweat gland A benign (harmless) skin tumor called a syringoma that derives from cells related to sweat glands. (These…
- Hypertension High blood pressure, defined as a repeatedly elevated blood pressure exceeding 140 over 90 mmHg -- a systolic…
- Apoplexy A venerable term for a stroke, a cerebrovascular accident (CVA), often associated with loss of consciousness…
- Flu, Hong Kong See: Hong Kong flu
- Somnoplasty Somnoplasty: A surgical treatment to stop snoring. Somnoplasty uses heat energy to remove tissues of the soft…
- Cysticercus The larval form of any of the Taenia tapeworms. The plural is cysticerci. Infection with cysticerci is…