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).
Cysteine
An amino acid, one of the 20 building blocks of protein. Cysteine can be synthesized by the body and is not essential to the diet. Its key chemical feature is a thiol group that contains sulfur. This thiol group can combine with the thiol…
Read the definitionRandom terms
Show more- Cranio- Insufficient intake of nitrogen-containing food (protein) to maintain a nitrogen balance or nitrogen…
- Cranial nerve VII The cranial nerves emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge…
- SIDDT Sudden infant death with dysgenesis of testes. SIDDT was first identified in an Old Order Amish community in…
- Replacement therapy, estrogen (ERT) Estrogen replacement therapy (ERT) is used to treat menopause. It reduces or stops the short-term changes of…
- Salk Institute The Salk Institute for Biological Studies , a prominent independent non-profit institution doing basic…
- Formula, infant A substitute for breast milk for feeding infants. Pediatricians generally advise exclusively breastfeeding…
- Pubis The front center portion of the pelvis.
- Femara Brand name for letrozole, an oral antiestrogen. Femara inhibits the enzyme aromatase in the adrenal glands…
- Oligodendrocyte A type of cell in the central nervous system. The oligodendrocytes surround and insulate the long fibers (the…
- Cervical vertebra, second The second cervical vertebra is called the axis. It is so-named because the uppermost cervical vertebra…
- Fear of cats An abnormal and persistent fear of cats which produces an undue anxiety reaction even though sufferers…
- Progressive dementia with cerebellar ataxia See: Gerstmann-Straussler-Scheinker syndrome