ULTRASTRUCTURAL-STUDY OF THE ESOPHAGUS OF SEAWATER-ACCLIMATED AND FRESH-WATER-ACCLIMATED MUGIL-CEPHALUS (PERCIFORMES, MUGILIDAE), EURYHALINE MARINE FISH

被引：3

作者：

CATALDI, E ^{[1
]}

DEMERICH, D ^{[1
]}

PESCE, M ^{[1
]}

CIONI, C ^{[1
]}

机构：

[1] UNIV ROMA LA SAPIENZA,DIPARTIMENTO BIOL ANIM & UOMO,I-00185 ROME,ITALY

来源：

JOURNAL OF MORPHOLOGY | 1993年 / 217卷 / 03期

关键词：

D O I：

10.1002/jmor.1052170308

中图分类号：

R602 [外科病理学、解剖学]; R32 [人体形态学];

学科分类号：

100101 ;

摘要：

The esophagus of the common grey mullet Mugil cephalus shows a single mode of organization that is common to both seawater- and freshwater-acclimated specimens. A short anterior segment is lined by a stratified epithelium with mucous cells; posteriorly, this is progressively replaced by single-layered columnar epithelium. Ultrastructural features of the columnar epithelium are quite similar in the seawater- and freshwater-acclimated specimens. Apical microvillous projections, lamellar structures, and dilated intercellular spaces are observed. The present study suggests that the mullet esophagus is involved in active ion transport and water permeability, both in seawater and in freshwater environments. (C) 1993 Wiley-Liss, Inc.

引用

页码：337 / 345

页数：9

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