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Hemopoietic tissue in the adult newt, Notopthalmus viridescens
Author(s) -
Hightower James A.,
Pierre Ronald L. St.
Publication year - 1971
Publication title -
journal of morphology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.652
H-Index - 74
eISSN - 1097-4687
pISSN - 0362-2525
DOI - 10.1002/jmor.1051350304
Subject(s) - biology , lymphopoiesis , parenchyma , stromal cell , medulla , haematopoiesis , spleen , cortex (anatomy) , triturus , anatomy , microbiology and biotechnology , stem cell , immunology , botany , cancer research , neuroscience
The presence of developmental stages of lymphocytes and their precurors, as revealed by serial and thin sections of hemopoietic organs of normal adult newts ( Notopthalmus viridescens ) suggests that lymphopoiesis is limited to the thymus, medulla of the spleen and, to a lesser degree, the intestine. Stromal cells, small lymphocytes, granulocytes, mature erythrocytes and melanocytes were observed either within or near the parenchyma of the thymus. The urodele thymus differs from the thymus of anurans and higher vertebrates in that it lacks a cortex and a medulla, myoid cells and Hassall's corpuscles.