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).
Primary teeth
The first teeth which are shed and replaced by permanent teeth. The first primary tooth comes in at about 6 months of age and the 20th and last primary tooth erupts at around 2 1/2 years of age. The primary teeth are replaced beginning…
Read the definitionRandom terms
Show more- Cancer, male breast See: Breast cancer, male
- Ilium The upper part of the bony pelvis which forms the receptacle for the head of the femur at the hip joint. The…
- Microscope, electron See: Fluorescent microscope.
- Obstetrical forceps An instrument with two blades and a handle designed to aid in the vaginal delivery of a baby. Forceps may be…
- Barrett esophagus See: Barrett's esophagus
- Morning sickness Nausea and vomiting of pregnancy. Morning sickness is a misnomer, because it can occur at any time of the day…
- Sinus 1. An air-filled cavity in a dense portion of a skull bone. The sinuses decrease the weight of the skull. The…
- Arthritis, rheumatoid Autoimmune disease that is characterized by chronic inflammation of the joints and can cause inflammation of…
- Nasal passage The walls of the nasal passages are coated with respiratory mucous membranes which contain innumerable tiny…
- Dacryocystorhinostomy The surgical creation of a passage between the lacrimal sac (tear sac) and the nasal cavity to permit the…
- Brainerd diarrhea A syndrome characterized by the acute onset of watery nonbloody diarrhea (3 or more loose stools per day)…
- Adductor spasmodic dysphonia A disorder in which sudden muscle spasms cause the vocal folds (or vocal cords) to slam together. See…