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).
Axis
The axis is the second cervical vertebra (symbol: C2). It is called the 'axis' because the uppermost cervical vertebra (called the atlas) rotates about the odontoid process of C2. The joint between the axis and atlas is a pivot type of…
Read the definitionRandom terms
Show more- Gallbladder A pear-shaped organ just below the liver that stores the bile secreted by the liver. During a fatty meal, the…
- Map, contig A map depicting the relative order of a linked library of small overlapping clones representing a complete…
- Y (in chemistry) The symbol for the element yttrium, an ultrarare metal named after Ytterby in southern Sweden. Yttrium has…
- Library, genomic A collection of DNA clones made from a set of randomly generated overlapping DNA fragments representing the…
- Trisomy 21 syndrome A common chromosome disorder, often called Down syndrome, due to an extra chromosome number 21 (trisomy 21)…
- Deformity, Klippel-Feil See: Klippel-Feil sequence
- Antithyroid antibody An antibody directed against the thyroid gland, a gland which produces thyroid hormones (such as, for…
- Liver transplantation, living donor See: Living donor liver transplantation
- Squamous intraepithelial lesion A general term for the abnormal growth of squamous cells on the surface of the cervix. The changes in the…
- Estrogens Female hormones produced by the ovaries. Estrogen deficiency can lead to osteoporosis. Estrogen therapy…
- Tylenol See: Acetaminophen
- Biopsy, breast See: Breast biopsy