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).
Fasciculation
Involuntary contractions or twitchings of groups of muscle fibers. Fasciculations can occur in normal individuals without an associated disease or condition and can also occur as a result of illness, such as muscle cramps, nerve diseases…
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Show more- Pseudohemophilia The original name that von Willebrand gave to the bleeding disorder he first described. See: Von Willebrand…
- Thromboxane A2 The active type of thromboxane. Abbreviated TXA2
- Placenta A temporary organ joining the mother and fetus, the placenta transfers oxygen and nutrients from the mother…
- Gln Glutamine. See also: Amino acid symbols
- Sinus barotrauma Sinus troubles, particularly with pain and a feeling of pressure, due to changing atmospheric pressures, as…
- HIB immunization This immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria…
- Hives from pressure See Pressure urticaria
- Macrobiotic Macrobiotic refers to the macrobiota, a region's living organisms (or flora and fauna) large enough to be…
- Serratus magnus One of the serratus muscles of the back and thorax. The serratus magnus originates from the lateral aspect…
- Disease, Bernard-Soulier Nt platelet syndrome): This disease is a primary problem of platelets in which the platelets lack the ability…
- Pathognomonic A sign or symptom that is so characteristic of a disease that it makes the diagnosis. For example, Koplik's…
- Section, longitudinal A cut along the long axis of a structure