Histological observations on lymphomyeloid organs of the Antarctic fish Trematomus bernacchii (Teleostei: Nototheniidae) |
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| Authors: | Nicla Romano Maria Rosaria Baldassini Francesca Renata Terribili Luigi Abelli Lucia Mastrolia Massimo Mazzini |
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| Affiliation: | (1) Anatomia Comparata, Dipartimento di Scienze Ambientali, Blocco D, Università della Tuscia, via S.C. De Lellis - 01100- Viterbo, Italia Fax:+39761-357179; e-Mail: NROMANO@UNITUS.IT, IT |
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| Abstract: | Lymphomyeloid organs of the Antarctic fish Trematomus bernacchii were studied with the aim of analysing some morphological aspects related to adaptation to low environmental temperature. The thymus of T. bernacchii was flattened, incompletely lobated and scarcely regionalised. It was filled by lymphoid elements intermingled with stromal elements. The head kidney appeared highly vascularised and mainly lymphopoietic. The spleen appeared mainly erythropoietic, with scarcely developed areas of white pulp. Received: 10 February 1997 / Accepted: 4 May 1997 |
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