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).
Microscope, simple
A microscope that has a single converging lens (or a combination of lenses that function optically as a single converging lens). Anton van Leeuwenhoek (1632-1723) made good use of the simple microscope to look at the life within a drop of…
Read the definitionRandom terms
Show more- Cortisol The primary stress hormone. Cortisol is the major natural GLUCOCORTICOID (GC) in humans
- Mental retardation A syndrome with the following characteristic features: (1) Neurological: Mental retardation and aphasia (lack…
- Ophthalmology The art and science of eye medicine.
- Atresia Absence of a normal opening or failure of a structure to be tubular. Atresia can affect many structures in…
- Illness, acute An illness with an abrupt onset and usually a short course
- Vision, low Visual loss that cannot be corrected with eyeglasses or contact lenses and that interferes with daily living…
- Phenomenon, Raynaud's A condition resulting in discoloration of fingers and/or toes when a person is exposed to changes in…
- Carbon dioxide content A measure of the bicarbonate level in the blood. The normal carbon dioxide content may vary somewhat from one…
- Womyn Woman. A late 20th century feminist creation to avoid the suffix man
- MAC To soften tissues after death by soaking and by enzymatic digestion, as occurs with a stillborn. The word…
- Spine 1) The column of bone known as the vertebral column, which surrounds and protects the spinal cord. The spine…
- Cancer, rectal See: Rectal cancer