Peyer's patch

Peyer's patch
Pey·er's patch 'pī-ərz- n any of numerous large oval patches of closely aggregated nodules of lymphoid tissue in the walls of the small intestine esp. in the ileum that partially or entirely disappear in advanced life and in typhoid fever become the seat of ulcers which may perforate the intestines called also Peyer's gland
Peyer Johann Conrad (1653-1712)
Swiss physician and anatomist. Peyer was one of a group of physicians in the late 17th century who made important contributions to the methodology of medical research. They sought to explain the symptoms of a disease in terms of the lesion, which was considered the site of the disease. In 1677 Peyer published the first description of the nodules of lymphoid tissue in the small intestine that are now associated with his name.

Medical dictionary. 2011.

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  • Peyer's patch — noun any of several lymph nodes in the walls of the intestines near the junction of the ileum and colon • Syn: ↑Peter s gland • Hypernyms: ↑lymph node, ↑lymph gland, ↑node * * * ˈpī(ə)rz noun also …   Useful english dictionary

  • peyer's gland — noun see peyer s patch …   Useful english dictionary

  • patch — 1. A small circumscribed area differing in color or structure from the surrounding surface. 2. In dermatology, a flat area greater than 1.0 cm in diameter. 3. An intermediate stage in the formation of a cap …   Medical dictionary

  • Peyer patch — ▪ anatomy       any of the nodules of lymphatic cells that aggregate to form bundles or patches and occur usually only in the lowest portion (ileum) of the small intestine; they are named for the 17th century Swiss anatomist Hans Conrad Peyer.… …   Universalium

  • Peyer's patches — Lymphoid organs located in the submucosal tissue of the mammalian gut containing very high proportions of IgA secreting precursor cells. The patches have B and T dependent regions and germinal centres. A specialized epithelium lies between the… …   Dictionary of molecular biology

  • Craig Peyer — Craig A. Peyer California Highway Patrol Place of birth California, USA Service branch United States Years of service 1980 1986 …   Wikipedia

  • Johne's disease — Infobox Disease Name = Johnes disease Caption = DiseasesDB = 33739 ICD10 = ICD9 = ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D010283 Johne s disease (pronounced yo knees ) is a contagious, chronic and sometimes fatal… …   Wikipedia

  • Paratuberculosis — Johne s disease Classification and external resources DiseasesDB 33739 MeSH D010283 Paratuberculosis or John …   Wikipedia

  • Microfold cell — Latin epitheliocytus microplicatus Code TH H3.04.03.0.00010 M cells (or microfold cells) are cells found in the follicle associated epithelium of the Peyer s patch. They transport organisms and particles from the gut lumen to immune cells across… …   Wikipedia

  • Gnetum gnemon — Scientific classification Kingdom: Plantae Division …   Wikipedia

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