MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Muscle, piriformis
A muscle that begins at the front surface of the sacrum (the V-shaped bone between the buttocks at the base of the spine) and passes through the greater sciatic notch to attach to the top of the thigh bone (femur) at its bony prominence…
Read the definitionRandom terms
Show more- Subcu Abbreviation for subcutaneous. Subcutaneous means under the skin. It implies just under the skin. With a…
- Stickler syndrome A relatively common genetic disorder characterized by very flexible (hyperextensible) joints, typical facial…
- Tapeworm, African See Taenia saginata.
- True cramp A cramp that involves part or all of a single muscle or group of muscles that usually act together such as…
- Situs inversus totalis A condition in which there is complete right to left reversal (transposition) of the thoracic and abdominal…
- Dilate To stretch or enlarge. It comes from the Latin verb 'dilatare' meaning 'to enlarge or expand.
- Muscular dystrophy, congenital A form of muscular dystrophy that is present at birth. Various types of congenital MD have been identified…
- Lateral epicondylitis See: Tennis elbow
- Labrum In medicine, a ring of fibrocartilage (fibrous cartilage) around the edge of the articular (joint) surface of…
- Transposition, genetics The ability of genes to change position on chromosomes, a process in which a transposable element is removed…
- Cancer, bladder Cancer of the organ responsible for temporarily holding urine after it leaves the kidneys. The most common…
- Inguinal canal A passage in the lower anterior abdominal wall which in the male allows passage of the spermatic cord and in…