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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Nerve pathways, visual
The optic nerves serving the eyes join behind the eyes just in front of the pituitary gland to form a cross-shaped structure called the optic chiasma. Within the optic chiasma some of the nerve fibers cross. The fibers from the nasal…
Read the definitionRandom terms
Show more- Yellow jack 1) The flag displayed from lazarettos, naval hospitals, and vessels in quarantine. 2) Synonym for yellow…
- Melanoma, ocular A malignant melanoma arising from a structure within the eye. The most common sites of origin are the…
- ITN Insecticide-treated bednet. 'Provision of insecticide-treated bednets (ITNs) is universally accepted as an…
- Obstruction, airway See: Airway obstruction
- Sacroiliac joint pain : See sacroiliac joint dysfunction.
- Oscillopsia Oscillating vision. Swinging vision. In oscillopsia, objects seem to swing, move back and forth, jerk, or…
- Titre Variant spelling of 'titer' -- the degree of dilution of a substance such as an antibody, reflecting the…
- Meuse fever Fever: Named for the Meuse River area, one of the great battlegrounds of World War I. Also known as trench…
- Karyokinesis During cell division, the process of partition of a cell's nucleus into the daughter cells. See also…
- Gland, salivary One of the glands in the mouth that produce saliva. There are 3 major salivary glands. They are the parotid…
- Dermatologic Having to do with the skin
- Pregnancy danger from fifth disease Caused by a virus known as parvovirus B 19. Symptoms include low-grade fever, fatigue, a 'slapped cheeks…