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Chordata: Amphibian Digestive System - Liver (frog) sec.

Prepared microscope slide. Chordata: Amphibian liver (frog) sec. Phylum: Chordata; Class: Amphibia

A frog's digestive system begins with a wide mouth leading to the buccal cavity the roof of which has, along its margin, a row of maxillary teeth, 3 subrostral fossae, 2 internal nares, 2 sets of vomerine teeth. The floor of buccal cavity has 3 prelingual elevations and a large muscular tongue that is both sticky and eversible. The frog swallows prey whole without mastication. The buccal cavity is connected to the Oesophagus by the pharynx, which contains the gullet and glottis. After the oesophagus there are the stomach, small intestine, large intestine and cloaca, in that order. The anatomical structure, from mouth to cloaca, is referred to as the alimentary canal. In addition, there are digestive glands including the four major ones the gastric glands, the liver, the pancreas and the intestinal glands.

A discussion of the liver of an amphibian, may be found HERE .

This prepared slide contains a cross-section of an Amphiuma liver. It is stained with hematoxylin and eosin and shows components of adult connective tissue including a cluster of chromatophres containing brown pigment granules that are surrounded by a group of liver hepatocytes. The source is the University of Ottawa.

These prepared slides are of very high quality produced in the U.S. by Lee Gonzales, a licensed histologist. The image is of the actual slide, at 400x.

For information about the Accu-Scope 3012 Binocular Microscope with E Plan Achromat Objectives, click HERE.

Forensics Lab Supply Number 3862282.

To view archives of other Prepared Slides made by Lee Gonzales, CLICK HERE.

To view archives of other Historic Prepared Slides, CLICK HERE.

Prepared slide.

"sec." means "section".

This product was added to our catalog on Tuesday 29 November, 2011.
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Chordata / Ascidiacea: Golden Star Tunicate colony preserved eac
Chordata / Ascidiacea: Golden Star Tunicate colony preserved eac