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).
Physiology
>Some physiological studies are concerned with processes that go on within cells such as phagocytosis, the process by which cells engulf and usually digest particles, bacteria and other microorganisms, and even harmful cells. The…
Read the definitionRandom terms
Show more- Vestibule of the ear A cavity in the middle of the bony labyrinth in the inner ear
- Palpebral gland See: Meibomian gland
- SKY (spectral karyotype) Karyotype: A visualization of all of the chromosomes in the genome all together with each chromosome labeled…
- Blood in the urine Blood in the urine is termed hematuria. Gross hematuria refers to blood that is so plentiful in the urine…
- Congenital ptosis of the eyelids Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and…
- Viral hepatitis Viral hepatitis: Viral hepatitis is liver inflammation caused by viruses. Specific hepatitis viruses have…
- Tuberous sclerosis A genetic disorder characterized by abnormalities of the skin, brain, kidney, and heart. The skin…
- Vibrio cholerae One of the Vibrio bacteria, V. cholerae (as the name implies) is the agent of cholera, a devastating and…
- Hypopigmented Underpigmented.
- Reading frame, open See: Open reading frame
- Nocturia Excessive urinating at night.
- Power-of-attorney for health-care decision-making See: Proxy. health care.