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).
Cryptic
Hidden. Cryptic tonsillitis is hidden within the depths of the tonsil. From the Greek 'kryptos' meaning hidden or concealed
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Show more- Random The process by which an outcome is determined solely by chance, for example, by a coin flip. A randomized…
- Thimerosal A mercury-containing preservative used in some vaccines and other products since the 1930's. No harmful…
- Nerve, olfactory See: Olfactory nerve
- Transplantation genetics The field of biology and medicine relating to the genes that govern the acceptance or rejection of a…
- Smallpox vaccine A vaccine containing a live virus called vaccinia used to prevent smallpox. The vaccine does not contain the…
- Monochromatism 1) Total inability to perceive color. A person with true monochromatism perceives only black, white, and…
- Upregulation An increase in the number of receptors on the surface of target cells, making the cells more sensitive to a…
- Premature ejaculation Premature ejaculation is ejecting semen from the penis, usually accompanied by orgasm occurring sooner than a…
- Meningococcal meningitis Meningitis: Inflammation of the meninges (the membranes covering of the brain and spinal cord) due to…
- Probe (1) In surgery, a probe is a slender flexible rod with a blunt end used to explore, for example, an opening…
- Bogorad's syndrome Named after the Russian neuropathologist who described the syndrome of crocodile tears. See: Crocodile tears…
- Subclavian steal An illness that stays below the surface of clinical detection. A subclinical disease has no recognizable…