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).
Papular
Adjective referring to one or more small solid rounded bumps rising from the skin that are each usually 0.5 cm or less in diameter (less than a half inch across). Papules may open when scratched and become crusty and infected. The term…
Read the definitionRandom terms
Show more- Acute mountain sickness (AMS) Acute mountain sickness (AMS) is the effect on the body of being in a high altitude environment. AMS is…
- Spindle neuron A large neuron tapered at both ends that is only found in humans and great apes and so is thought to be a…
- Vector, cloning A DNA molecule originating from a virus, a plasmid (see below) or the cell of a higher organism into which…
- Sequester 1. In medicine, to set apart, detach or separate a small portion of tissue from the rest. 2. In bone, for a…
- Vaccine, Salk Vaccine against poliomyelitis named for Dr. Jonas Salk who developed and introduced it in 1955. It was the…
- Adenoma A benign tumor that arises in or resembles glandular tissue. If it becomes cancerous, it is called an…
- Legg-Calve-Perthes disease A hip disorder in children due to interruption of the blood supply to the head of the femur (the ball in the…
- Liquor cerebrospinalis See: Cerebrospinal fluid
- Serotype The kind of microorganism as characterized by serologic typing (testing for recognizable antigens on the…
- Syndrome, Pickwickian The combination of obesity, somnolence (sleepiness), hypoventilation (underbreathing), and plethoric (red)…
- Tarantella A remarkable example of early music therapy that originated in the region of Taranto, a city in southeastern…
- Hematochezia Bright red blood in the stool, usually from the lower gastrointestinal tract -- the colon or rectum -- or…