marginal zone


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Related to marginal zone: marginal zone lymphoma

marginal zone

1. A zone between the red and white pulp of the spleen containing numerous macrophages and a rich plexus of sinusoids supplied by white pulp arterioles carrying blood-borne antigens.
2. Synonym(s): marginal layer

mar·gi·nal zone

(mahr'ji-năl zōn)
A zone between the red and white pulp of the spleen containing numerous macrophages and a rich plexus of sinusoids supplied by white pulp arterioles carrying blood-borne antigens.

marginal

pertaining to margin.

marginal auricular dermatosis
see ear margin dermatosis.
marginal folds
folds of endothelium found in lymphatics which provide a valve-like effect, permitting ingress only of fluid.
neural tube marginal layer
on the external surface of the embryonal neural tube; houses axonal processes of developing neurons.
marginal zone
the rim of tissue surrounding lymph follicles in the spleen which contains many lymphocytes and macrophages.
References in periodicals archive ?
CD5 expression identifies a subset of splenic marginal zone lymphomas with higher lymphocytosis: a clinico-pathological, cytogenetyic and molecular study of 24 cases.
Small solitary littoral cell angioma associated with splenic marginal zone lymphoma and villous lymphocyte leukemia in a patient with hepatitis C infection.
Small round lymphocytes are in turn, surrounded by medium sized lymphocytes with more dispersed chromatin and abundant pale cytoplasm resembling marginal zone cells.
However, this interpretation does not exclude possibility of strike-slip model earthquakes because according to crustal doming model (Gudmundsson, 1999) in the marginal zones of postglacial uplift both types of stresses are possible.
The hematologist performed a bone marrow exam which revealed a large number of CD20 lymphocytes, and she made the diagnosis of splenic marginal zone lymphoma.
The mantle thickness displayed a trend of reduction from the marginal zone to the apical zone.
A lymph node biopsy showed an extranodal marginal zone B-cell lymphoma of mucosa-associated tissue.
This organizer is constructed through several successive steps: initially, the endodermal organizer -Nieuwkoop center sends signals to specific cells of the dorsal marginal zone into prechordal head mesoderm.
Xslug expression is one of the earliest known responses to neural crest inducers in the dorsal marginal zone (Mayor et al.