White pulp
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This article describes the anatomic term white pulp. White pulp is also the name of a raw material in paper production.
| White pulp | |
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| Transverse section of a portion of the spleen. (Lymphatic nodule labeled at center right.) | |
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| Spleen | |
| Latin | noduli lymphoidei splenici |
| Gray's | subject #278 1285 |
| Artery | trabecular artery |
| Vein | trabecular vein |
| Precursor | mesoderm |
| Dorlands/Elsevier | n_09/12576042 |
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The altered coat of the arterioles, consisting of adenoid tissue, presents here and there thickenings of a spheroidal shape, the white pulp (Malpighian bodies of the spleen, splenic lymphoid nodules).
These bodies vary in size from about 0.25 mm. to 1 mm. in diameter.
They are merely local expansions or hyperplasia of the adenoid tissue, of which the external coat of the smaller arteries of the spleen is formed.
They are most frequently found surrounding the arteriole, which thus seems to tunnel them, but occasionally they grow from one side of the vessel only, and present the appearance of a sessile bud growing from the arterial wall.
[edit] See also
[edit] External links
- Histology at BU 07703loa
- White+pulp at eMedicine Dictionary
- Swiss embryology (from UL, UB, and UF) qblood/lymphat06
- Anatomy Atlases - Microscopic Anatomy, plate 09.174 - "Spleen: White Pulp splenic nodule"
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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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