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).
Lymphoproliferative disorders
Malignant diseases of the lymphoid cells and cells from the reticuloendothelial system (which take up and sequester inert particles). The lymphoproliferative disorders are in contrast to the myeloproliferative disorders which are…
Read the definitionRandom terms
Show more- MCAD deficiency Deficiency of an enzyme that makes it impossible to digest certain kinds of fat. MCAD stands for medium-chain…
- Muscle, psoas Muscles of the lower back (the loin). There are two psoas muscles on each side of the back. The larger of the…
- Nephritis, infective tubulointerstitial Inflammation of the kidney due to infection. Symptoms include nausea, pain in the kidney area, fever, and…
- Macrophage A type of white blood that ingests (takes in) foreign material. Macrophages are key players in the immune…
- Otoacoustic emission test A physician specialized in diagnosing and treating diseases of the head and neck, especially those involving…
- Immune complex A cluster of interlocking antigens and antibodies forming a large network of molecules. Also called an…
- Eicosanoid A lipid mediator of inflammation derived from the 20-carbon atom arachidonic acid (20 in Greek is 'eicosa')…
- Morning-after pill A form of contraception used after rather than before sexual intercourse. Morning-after pills interfere with…
- Cervical vertebrae The cervical (neck) vertebrae are the upper 7 vertebrae in the spinal column (the vertebral column). They are…
- Metanalysis A technique currently popular in medical research, whereby all data from all available studies of something…
- Y chromosome The sex chromosome found together with an X chromosome in most normal males. Once thought to be a genetic…
- Toxic multinodular goiter Condition in which the thyroid gland contains multiple lumps (nodules) that are overactive, produce excess…