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).
C4 (cervical vertebra)
The fourth cervical (neck) vertebra from the top
Read the definitionRandom terms
Show more- Pappoose root See: Blue cohosh
- Uteroglobin A protein that is induced by progesterone and binds it and that inhibits the enzyme phospholipase A2 (PLA2)…
- Proteins Large molecules composed of one or more chains of amino acids in a specific order determined by the base…
- Optic nerve pathways The left and right branches of the optic nerves join behind the eyes, just in front of the pituitary gland…
- Calcium excess Overly high intake of calcium that can result in elevated levels of calcium in the blood (hypercalcemia)…
- African sleeping sickness Also called African trypanosomiasis, a systemic disease caused by the parasite Trypanosoma brucei that is…
- Chromosome complement The whole set of chromosomes for the species. In humans, the chromosome complement (which is also called the…
- Disease, cystine transport Commonly known as cystinuria, this is an inherited (genetic) disorder of the transport of an amino acid (a…
- Skeletal Pertaining to the skeleton, the bones of the body which collectively provide the framework for the body
- Sweat A colorless transparent acidic fluid with a distinctive odor secreted by the small tubular sudoriferous…
- Ambien Brand name for the sedative hypnotic drug zolpidem used for sleep. For more information, see: zolpidem
- Dislocation of the radial head See: Nursemaid's elbow