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).
Chromosome, marker
The sex chromosome found twice in normal females and once, along with a Y chromosome, in normal males. The complete chromosome complement consisting of 46 chromosomes including the two sex chromosomes is conventionally written as 46,XX for…
Read the definitionRandom terms
Show more- Biomarker A biochemical feature or facet that can be used to measure the progress of disease or the effects of treatment
- Red blood cell The blood cell that carries oxygen. Red cells contain hemoglobin and it is the hemoglobin which permits them…
- IL-10 Interleukin-10
- Oral rehydration therapy The administration of special fluids by mouth treat dehydration. Abbreviated ORT. See also: Oral rehydration…
- Affinity In immunology, the strength of binding interaction between antigen and antibody molecules
- Dialysis, peritoneal Dialysis, peritoneal: Technique that uses the patient's own body tissues inside of the belly (abdominal…
- Adenoids Masses of lymphoid tissue in the upper part of throat behind the nose.
- Nitrogen Element number 7, a colorless, odorless, tasteless gas that is biologically important. Nitrogen is a…
- Crack (drug) The street name given to cocaine that has been processed from cocaine hydrochloride to a ready-to-use free…
- Date, expiration The date for a drug estimated for its shelf life with proper storage in sealed containers away from harmful…
- Ophthalmic veins The orbital cavity is drained by paired veins called the superior and inferior ophthalmic veins. The superior…
- Heterosexual A person sexually attracted to persons of the opposite sex. Or a person who has sexual relations with the…