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Ann Anat. 1994 Jun;176(3):269-75.

Ultrastructure of the olfactory organ of the newt, Cynops pyrrhogaster.

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  • 1Department of Biomedical Sciences, Virginia Polytechnic Institute, Blacksburg 24061.

Abstract

The ultrastructure of the nasal sacs of the Japanese newt, Cynops pyrrhogaster, was studied by scanning and transmission electron microscopy. The paired nasal sacs of the newt are dorsoventrally flattened with a lateral nasal sinus off the main cavity of each sac. Throughout each sac is a series of ridges and grooves. In the main cavity, sensory epithelium with ciliated and microvillous receptor cells lines the grooves, and a thin, ciliated non-sensory epithelium lines the ridges. Secretory glands are present in the lamina propria. In the lateral nasal sinus, the ridges are lined with a thick, non-ciliated sensory epithelium that lacks glands. This region resembles and may function as a primitive vomeronasal organ.

PMID:
8059972
[PubMed - indexed for MEDLINE]
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