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).
Leiomyosarcoma
A malignant tumor of smooth muscle origin. Smooth muscle is the major structural component of most hollow internal organs and the walls of blood vessels. Can occur almost anywhere in the body but is most frequent in the uterus and…
Read the definitionRandom terms
Show more- Ureaplasma A bacterium that commonly infects the urogenital tract and can cause premature birth or spontaneous abortion…
- Acinus, pulmonary The ending of a tiny airway in the lung, where the alveoli (air sacs) are located. In anatomy, an acinus is a…
- In situ hybridization The use of a DNA or RNA probe to detect the complementary sequence. In situ hybridization is like all nucleic…
- Tomography, computerized axial Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- Airway obstruction >Adults: The Heimlich maneuver. >Children over 1 year of age: A series of 5 abdominal thrusts (a children's…
- Tarsus Any broad flat surface. The flat of the eyelid is called the tarsus, as is the base of the heel. The bones in…
- CSF 1. Cerebrospinal fluid.2. Colony-stimulating factor
- Prepuce The fold of skin that covers the head of the penis. Also known as the foreskin. Only about 1 in every 20 boys…
- Bullous Characterized by blistering, such as in a second-degree burn. Bullous is the adjective for bulla. A bulla is…
- DDH (developmental dislocation of the hip) The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…
- LSCS Lower segment Cesarian section. A Cesarian section in which the surgical incision (cut) is made in the lower…
- Somnolent Sleepy or tending to cause sleep. 'Somnolent' came from French. It descends from the Latin 'somnus' meaning…