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).
Lower motor neuron
A nerve cell that goes from the spinal cord to a muscle. The cell body of a lower motor neuron is in the spinal cord and its termination is in a skeletal muscle. The loss of lower motor neurons leads to weakness, twitching of muscle…
Read the definitionRandom terms
Show more- Drain, JP See: JP drain
- Lumpectomy The surgical removal of a small tumor (a lump) which may or may not be benign (or malignant). Lumpectomy has…
- Sacroiliac joint dysfunction (SI Joint Pain) : Pain arising from abnormalities or
- Treatment, PUVA See: PUVA
- Osteolytic lesion A 'punched-out' area of severe bone loss. Osteolytic lesions are seen in metastatic lung and breast cancer…
- Non-inferiority clinical trial A clinical trial that shows that a new treatment is equivalent to standard treatment. Also called a…
- Lordosis Inward curvature of the spine. Normally, for example, the low back demonstrates lordosis. The spine is not…
- White matter The part of the brain that contains myelinated nerve fibers. The white matter is white because it is the…
- Belt, seat A belt used to hold an individual in their seat. Motor vehicle accidents are the leading cause of death for…
- Leishmaniasis, visceral See: Visceral leishmaniasis
- Bone marrow transplant A procedure in which bone marrow that is diseased or damaged is replaced with healthy bone marrow. The bone…
- Mean cell hemoglobin Hemoglobin: The average amount of hemoglobin in the average red cell. The mean cell hemoglobin (MCH) is a…