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.
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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).
Apnea
An apnea is a period of time during which breathing stops or is markedly reduced. There are two types of apneas, the more common obstructive sleep apnea and the less common central sleep apnea. Apneas usually occur during sleep , and when…
Read the definitionRandom terms
Show more- HCV Hepatitis C virus
- Clinical trial See: Clinical trials. See also: Inconclusive clinical trial; Negative clinical trial; Non-inferior clinical…
- Immunoglobulin G Abbreviated IgG. A major class of immunoglobulins found in the blood, including many of the most common…
- Bone scan A technique to create images of bones on a computer screen or on film. A small amount of radioactive material…
- Bone marrow aspiration The removal of a small amount of bone marrow (usually from the hip) through a needle. The needle is placed…
- Gyrus, lingual See: Lingual gyrus
- Y chromatin A brilliantly fluorescent body seen under the microscope in cells containing a Y chromosome when the cells…
- Vision, tunnel See: Tunnel vision
- Ab ovo Latin expression for 'from the beginning.' Ab ovo literally means 'from the egg.
- IgE Immunoglobulin E, a class of immunoglobulins that includes the antibodies elicited by an allergic substance…
- Debilitate To impair the strength or to enfeeble. A chronic progressive disease may debilitate a patient. So may…
- Atenolol 4 cel ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Atenolol Main…