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The pharyngeal lymphoid tissue of lampreys. A morpho-functional equivalent of the vertebrate thymus?
1Departmento de Biologia Celular, Facultad de Biología, Universidad Complutense, Madrid, Spain.
Thymus
|January 1, 1988
Abstract:
PE, pharyngeal epithelium; S, blood sinus; T, connective tissue trabecula; End, endothelial cell; Er, erythrocyte; L, lymphocyte; Lb, lymphoblast; Lm, lymphoblast in mitosis; Ma, macrophage; Ret, reticular cell; col, collagen fibres; db, dense body; g, Golgi apparatus; gr, granules; n, nucleus; nu, nucleolus; m, mitochondria; rer, rough endoplasmic reticulum.