marginal zone


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.