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).
Nerve, optic
The optic nerve connects the eye to the brain. The optic nerve carries the impulses formed by the retina. The retina is the nerve layer that lines the back of the eye that senses light and creates impulses. These impulses are dispatched…
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Show more- Formula, infant A substitute for breast milk for feeding infants. Pediatricians generally advise exclusively breastfeeding…
- Surgery, plastic The field of surgery concerned with reducing scarring or disfigurement that may occur as a result of…
- Tube, tympanostomy A small plastic tube inserted into the eardrum to keep the middle ear aerated for a prolonged period of time…
- Rhogam Rh0 immunoglobulin, also called anti-Rh or anti-D immunoglobulin. An injectable blood product used to protect…
- Sublingual Underneath the tongue. A sublingual medication is a type of lozenge put under the tongue where it dissolves…
- Melanoma, juvenile Melanoma, juvenile: A benign raised pink or red scaly area typically seen on a preadolescent child's skin…
- Floppy baby syndrome A general medical reference to an abnormal condition of newborns and infants manifested by inadequate tone of…
- Adult T-cell leukemia Abbreviated ATL. A malignancy of mature T lymphocytes (T cells) with its onset in adulthood caused by…
- Perionychium The tissue surrounding the nail, whether it be a fingernail or a toenail, including the tissue bordering the…
- Syndrome, respiratory distress (RDS) Formerly known as hyaline membrane disease, a syndrome of respiratory difficulty in newborn infants caused by…
- Lateral femoral cutaneous nerve syndrome See: Meralgia paresthetica
- Sequence, complementary Nucleic acid sequence of bases that can form a double- stranded structure by matching base pairs. For…