PMID: 1201599Nov 26, 1975Paper

The ultrastructure of the swimbladder of the toadfish, opsanus tau L

Cell and Tissue Research
S M Morris, J T Albright

Abstract

The anterior chamber of the swimbladder of the toadfish Opsarmustau L. is lined by a single layer of columnar gas gland cells, cuboidal cells that resemble gas gland cells but are located outside of the gas gland region, and squamous cells. Multilamellar bodies are numerous in the gas gland cells and the cuboidal cells and are present in smaller numbers in the squamous cells. Capillaries lie in the lamina propria directly below the epithelial lining. A thick continuous muscularis mucosae and a submucosa consisting of tightly packed cells, cell processes, and connective tissue may contribute to the impermeability to gases of the wall of the anterior chamber. The posterior chamber of the swimbladder is lined by a single type of squamous epithelial cell. Multilamellar bodies were occasionally observed in these cells also. Other types of cells frequently form a partial second layer between the epithelial lining and the basement lamina. A thin muscularis mucosae lies directly below the basement lamina and the capillaries of the posterior chamber are located in the submucosa. The tunica externa is a layer of dense connective tissue that surrounds both the anterior and posterior chambers. Collagen fibrils in the form of tactoids are p...Continue Reading

Citations

Jan 1, 1978·Tissue & Cell·D S Brown, D E Copeland
Apr 26, 2003·General and Comparative Endocrinology·Teresa Modesto, Adelino V M Canário
Nov 24, 2004·Respiratory Physiology & Neurobiology·Bernd Pelster
Nov 1, 2016·Proceedings. Biological Sciences·Michael L FineTimothy M Cameron
Jul 13, 2016·The Journal of Experimental Biology·Kathy A ClowWilliam R Driedzic

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