Ardavin, C F The pharyngeal lymphoid tissue of lampreys. A morpho-functional equivalent of the vertebrate thymus? [electronic resource] - Thymus 1988 - 59-65 p. digital Publication Type: Journal Article ISSN: 0165-6090 Subjects--Topical Terms: AnimalsFishes--anatomy & histologyLampreys--anatomy & histologyLymphoid Tissue--anatomy & histologyPharynxThymus Gland--anatomy & histology