| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
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| IPP | ileal Peyer's patch |
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| PP | Peyer patch |
| Peyer's patches | Lymphoid organs located in the sub mucosal 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 specialised epithelium lies between the patch and the intestine. Involved in gut associated immunity. (18 Nov 1997) |
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| Peyer, Johann | <person> Swiss anatomist, 1653-1712. See: Peyer's glands, Peyer's patches. (05 Mar 2000) |
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| Peyer, Johann Conrad | <person> Was of noble family, studied under Duverney in Paris and later was Professor of Logic, Rhetoric and Medicine in his native town. Peyer's Patches - noduli lymphatici aggregati. Peyer's Nodules - noduli lymphatici solitarii. Lived: 1653-1712. B. Schaffhausen, Dec 26th, 1653, d. Schaffhausen, Feb 29th, 1712. (05 Dec 1998) |
| peyer's | Patches and the lymphocyte aggregates on mucosal surfaces. (09 Oct 1997) |
| peyer's glands | <anatomy> Pathches of lymphoid nodules, in the walls of the small intestiness; agminated glands; called also Peyer's patches. In typhoid fever they become the seat of ulcers which are regarded as the characteristic organic lesion of that disease. Origin: So called from J.K.Peyer, who described them in 1677. Source: Websters Dictionary (01 Mar 1998) |
| peyer's patch | One of the lymphatic nodule aggregates existing in the intestines. (09 Oct 1997) |
| Bayer's patches | Sites of adhesion between the outer and cytoplasmic membranes of gram-negative bacteria. (18 Nov 1997) |
| Gottron's patches | <clinical sign> Gottron's patches are scaly, patchy redness over the knuckles and is seen in patients with dermatomyositis, an inflammatory muscle disorder. (see polymyositis). (20 Sep 2002) |
| cotton-wool patches | <clinical sign, ophthalmology> White, fuzzy areas on the surface of the retina (accumulations of cellular organelles) caused by damage (usually infarction) of the retinal fibre layer. Synonym: cotton-wool spots. (05 Mar 2000) |
| salmon patches | Red or purple-coloured vascular skin markings that develop shortly after birth. most are usually painless and benign. Some lesions (cavernous haemangiomas) will disappear or become harder to see as the child approaches school age. Localised steroid injections have been used successfully to reduce the size of a birthmark. (27 Sep 1997) |
| shagreen patches | <radiology> Normal-coloured plaques on trunk with firmer texture than normal skin, associated with tuberous sclerosis (12 Dec 1998) |
| smoker's patches | An obsolete term for leukoplakia. (05 Mar 2000) |
| soldier's patches | White plaques of hyalinised fibrous tissue situated in the epicardium overlying the right ventricle of the heart where it is not covered by lung. Synonym: soldier's patches. White macroscopic areas in the omentum, due to accumulation of macrophages and lymphocytes. Synonym: tache laiteuse. (05 Mar 2000) |
Synonyms : Patches, Peyer's, Peyer Patches, Peyers Patches
| Peyer's patches |
Protruding lymphoid tissues that are present in the mucosa of the small intestine. In mice, they are composed of five to seven closely packed B-cell follicles. They are named after Johann Conrad Peyer (1653?712), a Swiss anatomist.
Ãâó: www.nature.com/nri/journal/v5/n5/glossary/nri1600_...
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| Peyer's patches |
An aggregation of lymph nodules found in sheep and cattle, chiefly in the ileum near its junction with the colon
Ãâó: www.bseinquiry.gov.uk/report/volume6/glossary.htm
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| Peyer's patches (glands, insulae, plaques) |
noduli lymphoidei aggregati intestini tenuis.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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